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Fisher (animal)
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Not to be confused with the fishing cat, a medium-sized wild felid.
For other uses, see Fisher (disambiguation).
Fisher
At Mount Rainier National Park
Conservation status

Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Carnivora
Family: Mustelidae
Genus: Pekania
Species: P. pennanti
Binomial name
Pekania pennanti
(Erxleben, 1777)
Fisher range
Synonyms
List[show]
Mustela pennantii Erxleben, 1777
Mustela canadensis Schreber, 1788
Mustela melanorhyncha Boddaert, 1784
Mustela zibellina nigra Kerr, 1792
Viverra piscator Shaw, 1800
Viverra canadensis Shaw, 1800
Mustela nigra Turton, 1802
Mustela piscatoria Lesson, 1827
Martes pennantii Smith, 1843
Martes pennanti Coues, 1877
The fisher (Pekania pennanti) is a small, carnivorous mammal native to North America. It is a member of the mustelid family (commonly referred to as the weasel family), and is in the monospecific genus Pekania. The fisher is closely related to, but larger than the American marten (Martes americana). The fisher is a forest-dwelling creature whose range covers much of the boreal forest in Canada to the northern United States. Names derived from aboriginal languages include pekan, pequam, wejack, and woolang. It is sometimes referred to as a fisher cat, although it is not a feline.
Males and females look similar. Adult males are 90 to 120 cm (35–47 in) long and weigh 3.5 to 6.0 kilograms (8–13 lb). Adult females are 75 to 95 cm (30–37 in) long and weigh 2.0 to 2.5 kg (4–6 lb). The fur of the fisher varies seasonally, being denser and glossier in the winter. During the summer, the color becomes more mottled, as the fur goes through a moulting cycle. The fisher prefers to hunt in full forest. Though an agile climber, it spends most of its time on the forest floor, where it prefers to forage around fallen trees. An omnivore, the fisher feeds on a wide variety of small animals and occasionally on fruits and mushrooms. It prefers the snowshoe hare and is one of the few animals able to prey successfully on porcupines. Despite its common name, the fisher rarely eats fish.
The reproductive cycle of the fisher lasts almost a year. Female fishers give birth to a litter of three or four kits in the spring. They nurse and care for their kits until late summer, when they are old enough to set out on their own. Females enter estrus shortly after giving birth and leave the den to find a mate. Implantation of the blastocyst is delayed until the following spring, when they give birth and the cycle is renewed.
Fishers have few predators besides humans. They have been trapped since the 18th century for their fur. Their pelts were in such demand that they were extirpated from several parts of the United States in the early part of the 20th century. Conservation and protection measures have allowed the species to rebound, but their current range is still reduced from its historic limits. In the 1920s, when pelt prices were high, some fur farmers attempted to raise fishers. However, their unusual delayed reproduction made breeding difficult. When pelt prices fell in the late 1940s, most fisher farming ended. While fishers usually avoid human contact, encroachments into forest habitats have resulted in some conflicts.
Contents
1 Etymology
2 Taxonomy
2.1 Evolution
3 Biology and behavior
3.1 Physical characteristics
3.2 Hunting and diet
3.3 Reproduction
3.4 Social structure and home range
3.5 Parasites
4 Habitat
5 Distribution
6 Fishers and people
6.1 Fur trade and conservation
6.2 Captivity
6.3 Interactions with domestic animals
6.4 Poisoning
6.5 Literature
7 References
8 Further reading
9 External links
Etymology[edit]
Despite the name "fisher", the animal is not known to eat fish. The name is instead related to the word "fitch", meaning a European polecat (Mustela putorius) or pelt thereof, due to the resemblance to that animal. The name comes from colonial Dutch equivalent fisse or visse. In the French language, the pelt of a polecat is also called fiche or fichet.[2]
In some regions, the fisher is known as a pekan, derived from its name in the Abenaki language. Wejack is an Algonquian word (cf. Cree wuchak, otchock, Ojibwa ojiig) borrowed by fur traders. Other American Indian names for the fisher are Chipewyan thacho[3] and Carrier chunihcho,[4] both meaning "big marten", and Wabanaki uskool.[2]
Taxonomy[edit]
Skull diagram
The Latin specific name pennanti honors Thomas Pennant, who described the fisher in 1771. Buffon had first described the creature in 1765, calling it a pekan. Pennant examined the same specimen, but called it a fisher, unaware of Buffon's earlier description. Other 18th-century scientists gave it similar names, such as Schreber, who named it Mustela canadensis, and Boddaert, who named it Mustela melanorhyncha.[5] The fisher was eventually placed in the genus Martes by Smith in 1843.[6] In 2008, advances in DNA analysis allowed a more detailed study of the fisher's evolutionary history. The fisher and the Martes genera were determined to have descended from a common ancestor, but the fisher was distinct enough to put it in its own genera. It was decided to create the genus Pekania and reclassify the fisher as Pekania pennanti.[7]
Members of the genus Pekania are distinguished by their four premolar teeth on the upper and lower jaws. Its close relative Mustela has just three. The fisher has 38 teeth. The dentition formula is: 3.1.4.12.1.4.2[8]
Evolution[edit]
Some evidence shows that ancestors of the fisher migrated to North America during the Pliocene era between 2.5 and 5.0 million years ago. Two extinct mustelids, M. palaeosinensis and M. anderssoni, have been found in eastern Asia. The first true fisher, M. divuliana, has only been found in North America. M. divuliana is strongly indicated to be related to the Asian finds, which suggests a migration. M. pennanti has been found as early as the Late Pleistocene era, about 125,000 years ago. No major differences are seen between the Pleistocene fisher and the modern fisher. Fossil evidence indicates that the fisher's range extended farther south than it does today.[2]
Three subspecies were identified by Goldman in 1935, M. p. columbiana, M. p. pacifica, and M. p. pennanti. Later research has debated whether these subspecies could be positively identified. In 1959, E.M. Hagmeier concluded that the subspecies are not separable based on either fur or skull characteristics. Although some debate still exists, in general, the fisher is recognized to be a monotypic species with no extant subspecies.[9]
Biology and behavior[edit]
Physical characteristics[edit]
Fisher in winter coat
Fishers are a medium-sized mammal, comparable in size to the domestic cat. Their bodies are long, thin, and low to the ground. The sexes have similar physical features, but they are sexually dimorphic in size, with the male being much larger than the female. Males are 90 to 120 cm (35–47 in) in length and weigh 3.5 to 6.0 kg (8–13 lb). Females measure 75 to 95 cm (30–37 in) and weigh 2.0 to 2.5 kg (4–6 lb).[10][11] The largest male fisher ever recorded weighed 9 kg (20 lb).[12]
The fisher's fur changes with the season and differs slightly between sexes. Males have coarser coats than females. In the early winter, the coats are dense and glossy, ranging from 30 mm (1 in) on the chest to 70 mm (3 in) on the back. The color ranges from deep brown to black, although it appears to be much blacker in the winter when contrasted with white snow. From the face to the shoulders, fur can be hoary-gold or silver due to tricolored guard hairs. The underside of a fisher is almost completely brown except for randomly placed patches of white or cream-colored fur. In the summer, the fur color is more variable and may lighten considerably. Fishers undergo moulting starting in late summer and finishing by November or December.[13]
Fishers have five toes on each foot, with unsheathed, retractable claws.[2] Their feet are large, making it easier for them to move on top of snow packs. In addition to the toes, four central pads are on each foot. On the hind paws are coarse hairs that grow between the pads and the toes, giving them added traction when walking on slippery surfaces.[14] Fishers have highly mobile ankle joints that can rotate their hind paws almost 180°, allowing them to maneuver well in trees and climb down head-first.[15][16] The fisher is one of relatively few mammalian species with the ability to descend trees head-first.[17]
A circular patch of hair on the central pad of their hind paws marks plantar glands that give off a distinctive odor. Since these patches become enlarged during breeding season, they are likely used to make a scent trail to allow fishers to find each other so they can mate.[14]
Hunting and diet[edit]
Fishers are generalist predators. Although their primary prey is snowshoe hares and porcupines, they are also known to supplement their diet with insects, nuts, berries, and mushrooms. Since they are solitary hunters, their choice of prey is limited by their size. Analyses of stomach contents and scat have found evidence of birds, small mammals, and even moose and deer—the latter two indicating that they are not averse to eating carrion. Fishers have been seen to feed on deer carcasses.[18] While the behavior is not common, fishers have been known to kill larger animals, such as wild turkey, bobcat, and lynx.[19][20][21]
Fishers are one of the few predators that seek out and kill porcupines. Stories in popular literature indicate that fishers can flip a porcupine onto its back and "scoop out its belly like a ripe melon".[22] This was identified as an exaggerated misconception as early as 1966.[23] Observational studies show that fishers make repeated biting attacks on the face of a porcupine and kill it after about 25–30 minutes.[24]
Reproduction[edit]
The female fisher begins to breed at about one year of age and her reproductive cycle is an almost year-long event. Mating takes place in late March to early April. Blastocyst implantation is then delayed for 10 months until mid-February of the following year when active pregnancy begins. After gestating for about 50 days, the female gives birth to one to four kits.[25] The female then enters estrus 7–10 days later and the breeding cycle begins again.[26]
Females den in hollow trees. Kits are born blind and helpless. They are partially covered with fine hair. Kits begin to crawl after about 3 weeks. After about 7 weeks, they open their eyes. They start to climb after 8 weeks. Kits are completely dependent on their mother's milk for the first 8–10 weeks, after which they begin to switch to a solid diet. After 4 months, kits become intolerant of their litter mates, and at 5 months, the mother pushes them out on their own. After one year, juveniles will have established their own range.[26]
Social structure and home range[edit]
Fishers are generally crepuscular, being most active at dawn and dusk. They are active year-round, and are solitary, associating with other fishers only for mating. Males become more active during mating season. Females are least active during pregnancy and gradually increase activity after birth of their kits.[26]
A fisher's hunting range varies from 6.6 km2 (3 sq mi) in the summer to 14.1 km2 (5 sq mi) in the winter. Ranges up to 20.0 km2 (8 sq mi) in the winter are possible depending on the quality of the habitat. Male and female fishers have overlapping territories. This behavior is imposed on females by males due to dominance in size and a male's desire to increase mating success.[27]
Parasites[edit]
Parasites of fishers include Baylisascaris devosi, Taenia sibirica, nematode Physaloptera sp., Alaria mustelae, trematode Metorchis conjunctus, nematode Trichinella spiralis, and Molineus sp.[28]
Habitat[edit]
A fisher in the woods near Ipswich, Massachusetts
Although fishers are competent tree climbers, they spend most of their time on the forest floor and prefer continuous forest to other habitats. They have been found in extensive conifer forests typical of the boreal forest, but are also common in mixed-hardwood and conifer forests. Fishers prefer areas with continuous overhead cover with greater than 80% coverage and avoid areas with less than 50% coverage.[29] Fishers are more likely to be found in old-growth forests. Since female fishers require moderately large trees for denning, forests that have been heavily logged and have extensive second growth appears to be unsuitable for their needs.[30]
Fishers also select for forest floors with large amounts of coarse woody debris. In western forests, where fire regularly removes understory debris, fishers show a preference for riparian woodland habitat.[27][31][32] Fishers tend to avoid areas with deep snow. Habitat is also affected by snow compaction and moisture content.[33]
Distribution[edit]
A fisher climbing a tree at night
Fishers are widespread throughout the northern forests of North America. They are found from Nova Scotia in the east to the Pacific shore of British Columbia and Alaska. They can be found as far north as Great Slave Lake in the Northwest Territories and as far south as the mountains of Oregon. Isolated populations occur in the Sierra Nevada of California and the Appalachian Mountains of Pennsylvania, Maryland, West Virginia,[34] and Virginia.[35]
In the late 19th and early 20th centuries, fishers were virtually eliminated from the southern and eastern parts of their range, including most American states and eastern Canada including Nova Scotia. Overtrapping and loss of forest habitat were the reasons for the decline.[36][37]
Most states had placed restrictions on fisher trapping by the 1930s, coincidental with the end of the logging boom. A combination of forest regrowth in abandoned farmlands and improved forest management practices increased available habitat and allowed remnant populations to recover. Populations have since recovered sufficiently that the species is no longer endangered. Increasing forest cover in eastern North America means that fisher populations will remain sufficiently robust for the near future. Between 1955 and 1985, some states had allowed limited trapping to resume. In areas where fishers were eliminated, porcupine populations subsequently increased. Areas with a high density of porcupines were found to have extensive damage to timber crops. In these cases, fishers were reintroduced by releasing adults relocated from other places into the forest. Once the fisher populations became re-established, porcupine numbers returned to natural levels.[38] In Washington, fisher sightings were reported into the 1980s, but an extensive survey in the 1990s did not locate any.[39]
Scattered fisher populations now exist in the Pacific Northwest. In 1961, fishers from British Columbia and Minnesota were reintroduced in Oregon to the southern Cascades near Klamath Falls and to the Wallowa Mountains near La Grande. From 1977–1980, fishers were introduced to the region around Crater Lake.[40] Starting in January 2008, fishers were reintroduced into Washington State.[41] The initial reintroduction was on the Olympic peninsula (90 animals), with subsequent reintroductions into the south Cascade Mountains. The reintroduced animals are monitored by radio collars and remote cameras, and have been shown to be reproducing.[42] From 2008 to 2011, about 40 fishers were reintroduced in the northern Sierra Nevada near Stirling City, complementing fisher populations in Yosemite National Park and along California's northern boundary between the Pacific Coast Ranges and the Klamath Mountains.[43] Fishers are a protected species in Oregon, Washington, and Wyoming. In Idaho and California, fishers are protected through a closed trapping season, but they are not afforded any specific protection;[44] however, in California the fisher has been granted threatened status under the Endangered Species Act.[45] In June 2011, the U.S. Fish and Wildlife Service recommended that fishers be removed from the endangered list in Idaho, Montana, and Wyoming.[11]
Recent studies, as well as anecdotal evidence, show that fishers have begun making inroads into suburban backyards, farmland, and periurban areas in several US states and eastern Canada, as far south as most of northern Massachusetts, New York,[46][47] Connecticut,[48] Minnesota and Iowa,[49] and even rural New Jersey.[50] Having virtually disappeared after the construction of the Cape Cod Canal in the early 1900s, some reports have shown that populations have become re-established on Cape Cod,[51][52][53] although the populations are likely smaller than the populations in the western part of New England.[54][55]
Fishers and people[edit]
Fishers have had a long history of contact with humans, but most of it has been to the detriment of fisher populations. Unprovoked attacks on humans are extremely rare, but fishers will attack if they feel threatened or cornered. In one case, a fisher was blamed for an attack on a 6-year-old boy.[56][57] In another case, a fisher is believed to be responsible for an attack on a 12-year-old boy.[58]

Fur trade and conservation[edit]
Fisher pelts sold: 1920–1984[59][60]
Fishers have been trapped since the 18th century. They have been popular with trappers due to the value of their fur, which has been used for scarves and neck pieces. The best pelts are from winter trapping, with secondary-quality pelts from spring trapping. The lowest-quality furs come from out-of-season trapping when fishers are moulting. They are easily trapped, and the value of their fur was a particular incentive for catching this species.[61]
Prices for pelts have varied considerably over the past 100 years. They were highest in the 1920s and 1930s, when average prices were about US$100.[62] In 1936, pelts were being offered for sale in New York City for $450–750 per pelt.[63] Prices declined through the 1960s, but picked up again in the late 1970s. In 1979, the Hudson's Bay Company paid $410 for one female pelt.[63] In 1999, 16,638 pelts were sold in Canada for C$449,307 at an average price of $27.[64]
Between 1900 and 1940, fishers were threatened with near extinction in the southern part of their range due to overtrapping and alterations to their habitat. In New England, fishers, along with most other furbearers, were nearly exterminated due to unregulated trapping. Fishers became extirpated in many northern U.S. states after 1930, but were still abundant enough in Canada to maintain a harvest over 3,000 fishers per year. Limited protection was afforded in the early 20th century, but total protection was not given to the few remaining fishers until 1934. Closed seasons, habitat recovery, and reintroductions have restored fishers to much of their original range.[2]
Trapping resumed in the U.S. after 1962, once numbers had recovered sufficiently. During the early 1970s, the value of fisher pelts soared, leading to another population crash in 1976. After a few years of closed seasons, fisher trapping reopened in 1979 with a shortened season and restricted bag limits. The population has steadily increased since then, with steadily increasing numbers of trapped animals, despite a much lower pelt value.[59]
Captivity[edit]
Fisher fur pelt (dyed)
Fishers have been captured live for fur farming, zoo specimens, and scientific research. From 1920–1946, pelt prices averaged about C$137. Since pelts were relatively valuable, attempts were made to raise fishers on farms. Fur farming was popular with other species such as mink and ermine, so the same techniques were thought to be applicable to fishers. However, farmers found it difficult to raise fishers due to their unusual reproductive cycle. In general, knowledge of delayed implantation in fishers was unknown at the time. Farmers noted that females mated in the spring but did not give birth. Due to declining pelt prices, most fisher farms closed operations by the late 1940s.[65]
Fishers have also been captured and bred by zoos, but they are not a common zoo species. Fishers are poor animals to exhibit because, in general, they hide from visitors all day. Some zoos have had difficulty keeping fishers alive since they are susceptible to many diseases in captivity.[66] Yet at least one example shows a fisher kept in captivity that lived to be 10 years old, and another living to be about 14 years old,[67] well beyond its natural lifespan of 7 years.[68][69]
In 1974, R.A. Powell raised two fisher kits for the purpose of performing scientific research. His primary interest was an attempt to measure the activity of fishers to determine how much food the animals required to function. He did this by running them through treadmill exercises that simulated activity in the wild. He compared this to their food intake and used the data to estimate daily food requirements. The research lasted for two years. After one year, one of the fishers died due to unknown causes. The second was released back into the wilderness of Michigan's Upper Peninsula.[70]
Interactions with domestic animals[edit]
Fisher raiding a farmer's duck coop
In some areas, fishers can become pests to farmers when they raid chicken coops. A few instances of fishers preying on cats and small dogs have been reported;[71][72][73][74][75][76] but in general, the evidence suggests these attacks are rare. A 1979 study examined the stomach contents of all fishers trapped in the state of New Hampshire; cat hairs were found in only one of over 1,000 stomachs.[77] More recent studies in suburban upstate New York and Massachusetts found no cat remains in 24 and 226 fisher diet samples (scat and stomach contents), respectively.[78] While a popular belief exists for more frequent attacks on pets, zoologists suggest bobcats or coyotes are more likely to prey upon domestic cats and chickens.
Poisoning[edit]
Male fisher killed by anticoagulant rodenticide on a marijuana grow site on US Forest Service lands, southern Sierra Nevada mountains
In 2012, a study conducted by Integral Ecology Research Center, UC Davis, U.S. Forest Service, and the Hoopa tribe showed that fishers in California were exposed to and killed by anticoagulant rodenticides associated with marijuana cultivation.[79] In this study, 79% of fishers that were tested in California were exposed to an average of 1.61 different anticoagulant rodenticides and four fishers died directly attributed to these toxicants. A 2015 follow-up study building on these data determined that the trend of exposure and mortality from these toxicants increased to 85%, that California fishers were now exposed to an average of 1.73 different anticoagulant rodenticides, and that 9 more fishers died, bringing the total to 13.[80] The extent of marijuana cultivation within fishers' home ranges was highlighted in a 2013 study focusing on fisher survival and impacts from marijuana cultivation within the Sierra National Forest.[81] Fishers had an average of 5.3 individual grow sites within their home range.[81] One fisher had 16 individual grow sites within its territory.
Literature[edit]
One of the first mentions of fishers in literature occurred in The Audubon Book of True Nature Stories. Robert Snyder relates a tale of his encounter with fishers in the woods of the Adirondack Mountains of New York. He recounts three sightings, including one where he witnessed a fisher attacking a porcupine.[82]
In Winter of the Fisher, Cameron Langford relates a fictional encounter between a fisher and an aging recluse living in the forest. The recluse frees the fisher from a trap and nurses it back to health. The fisher tolerates the attention, but being a wild animal, returns to the forest when well enough. Langford uses the ecology and known habits of the fisher to weave a tale of survival and tolerance in the northern woods of Canada.[83]
Fishers are mentioned in several other books, including The Blood Jaguar (an animal shaman), Ereth's Birthday (a porcupine hunter) and in The Sign of the Beaver, where a fisher is thought to have been caught in a trap.[84][85][86]
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Jump up ^ "What is a Fisher Cat?". WPRI.com. June 23, 2009. Archived from the original on June 26, 2009. Retrieved April 28, 2010.
Jump up ^ "Fisher [sic] in Massachusetts". Massachusetts Division of Fisheries and Wildlife. Archived from the original on May 17, 2008. Retrieved August 21, 2016.
Jump up ^ O'Brian, Brian (August 25, 2005). "On the wild side: Once nearly extinct, weasel-like fishers thrive in the suburbs, where their ravenous feeding habits threaten family pets". Boston Globe. Retrieved April 28, 2010.
Jump up ^ Fahim, Kareem (July 4, 2007). "A Cat Fight? Sort of, only louder and uglier". New York Times. Retrieved April 28, 2010.
Jump up ^ Orff, Eric B. "The Fisher: New Hampshire's Rodney Dangerfield". New Hampshire Fish and Wildlife News. Retrieved April 28, 2010.
Jump up ^ Kays, Roland (April 6, 2011). "Do Fishers Really Eat Cats?". New York Times. Retrieved August 21, 2016.
Jump up ^ Gabriel, Mourad W.; Woods, Leslie W.; Poppenga, Robert; Sweitzer, Rick A.; Thompson, Craig; Matthews, Sean M.; Higley, J. Mark; Keller, Stefan M.; Purcell, Kathryn (July 13, 2012). "Anticoagulant Rodenticides on our Public and Community Lands: Spatial Distribution of Exposure and Poisoning of a Rare Forest Carnivore". PLoS ONE. 7 (7): e40163. doi:10.1371/journal.pone.0040163. PMC 3396649  . PMID 22808110.
Jump up ^ Gabriel, Mourad W.; Woods, Leslie W.; Wengert, Greta M.; Stephenson, Nicole; Higley, J. Mark; Thompson, Craig; Matthews, Sean M.; Sweitzer, Rick A.; Purcell, Kathryn (November 4, 2015). "Patterns of Natural and Human-Caused Mortality Factors of a Rare Forest Carnivore, the Fisher (Pekania pennanti) in California". PLoS ONE. 10 (11): e0140640. doi:10.1371/journal.pone.0140640. PMC 4633177  . PMID 26536481.
^ Jump up to: a b Thompson, Craig; Sweitzer, Richard; Gabriel, Mourad; Purcell, Kathryn; Barrett, Reginald; Poppenga, Robert (March 1, 2014). "Impacts of Rodenticide and Insecticide Toxicants from Marijuana Cultivation Sites on Fisher Survival Rates in the Sierra National Forest, California". Conservation Letters. 7 (2): 91–102. doi:10.1111/conl.12038. ISSN 1755-263X.
Jump up ^ Snyder, Robert G. (1958). Terres JK, ed. The Audubon Book of True Nature Stories. Thomas Y. Crowell Company, New York. pp. 205–9.
Jump up ^ Langford, Cameron (1971). Winter of the Fisher. Macmillan of Canada Company, Toronto, Ontario. ISBN 0-7089-2937-0.
Jump up ^ Payne, Michael H. (1998). The Blood Jaguar. Tor, New York. ISBN 0-312-86783-2.
Jump up ^ Avi (2000). Ereth's Birthday. HarperCollins, New York. ISBN 0-380-80490-5.
Jump up ^ Speare, Elizabeth George (1983). The Sign of the Beaver. Bantam Doubleday Dell Books for Young Readers, New York. ISBN 0-547-34870-3.
Further reading[edit]
Coues, Elliott (1877). Fur Bearing Animals: a Monograph of North American Mustelidae. Department of the Interior (US). pp. 62–74. Retrieved October 21, 2011.
Feldhamer, George A.; Thompson, Bruce C.; Chapman, Joseph A. (2003). Wild mammals of North America: biology, management, and conservation. (Google books limited preview) Johns Hopkins University Press. pp. 635–649. ISBN 0-8018-7416-5. Retrieved October 21, 2011.
Fergus, Charles (2006). Wildlife of Virginia and Maryland and Washington. Stackpole Books. pp. 101–103. ISBN 0-8117-2821-8. Retrieved October 21, 2011.
Hodgson, Robert G. (1937). Fisher Farming. Fur Trade Journal of Canada.
Powell, Roger A. (November 1993). The Fisher: Life History, Ecology, and Behavior. University of Minnesota Press. ISBN 978-0-8166-2266-5.
Buskirk, Steven W.; Harestad, Alton S.; Raphael, Martin G.; Powell, Roger A. (1994). Martens, sables, and fishers: biology and conservation. Comstock Publishing Associates. ISBN 978-0-8014-2894-4.
External links[edit]
Fisher videos, photos and facts Arkive.org.
Fisher Cat Screech Online community of fisher cat sightings, sounds, and videos.
Texts on Wikisource:
"Fisher". Encyclopedia Americana. 1920.
"Fisher". New International Encyclopedia. 1905.
"Fisher". The American Cyclopædia. 1879.
show
v
t
e
Extant Carnivora species
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Infraclass: Eutheria
Superorder: Laurasiatheria
show
Suborder Feliformia
Nandiniidae
Nandinia
African palm civet (N. binotata)
Herpestidae
(Mongooses)
Atilax
Marsh mongoose (A. paludinosus)
Bdeogale
Bushy-tailed mongoose (B. crassicauda)
Jackson's mongoose (B. jacksoni)
Black-footed mongoose (B. nigripes)
Crossarchus
Alexander's kusimanse (C. alexandri)
Angolan kusimanse (C. ansorgei)
Common kusimanse (C. obscurus)
Flat-headed kusimanse (C. platycephalus)
Cynictis
Yellow mongoose (C. penicillata)
Dologale
Pousargues's mongoose (D. dybowskii)
Galerella
Angolan slender mongoose (G. flavescens)
Black mongoose (G. nigrata)
Somalian slender mongoose (G. ochracea)
Cape gray mongoose (G. pulverulenta)
Slender mongoose (G. sanguinea)
Helogale
Ethiopian dwarf mongoose (H. hirtula)
Common dwarf mongoose (H. parvula)
Herpestes
Short-tailed mongoose (H. brachyurus)
Indian gray mongoose (H. edwardsii)
Indian brown mongoose (H. fuscus)
Egyptian mongoose (H. ichneumon)
Small Asian mongoose (H. javanicus)
Long-nosed mongoose (H. naso)
Collared mongoose (H. semitorquatus)
Ruddy mongoose (H. smithii)
Crab-eating mongoose (H. urva)
Stripe-necked mongoose (H. vitticollis)
Ichneumia
White-tailed mongoose (I. albicauda)
Liberiictus
Liberian mongoose (L. kuhni)
Mungos
Gambian mongoose (M. gambianus)
Banded mongoose (M. mungo)
Paracynictis
Selous' mongoose (P. selousi)
Rhynchogale
Meller's mongoose (R. melleri)
Suricata
Meerkat (S. suricatta)
Hyaenidae
(Hyenas)
Crocuta
Spotted hyena (C. crocuta)
Hyaena
Brown hyena (H. brunnea)
Striped hyena (H. hyaena)
Proteles
Aardwolf (P. cristatus)
Felidae
Large family listed below
Viverridae
Large family listed below
Eupleridae
Small family listed below
show
Family Felidae
Felinae
Acinonyx
Cheetah (A. jubatus)
Caracal
Caracal (C. caracal)
African golden cat (C. aurata)
Catopuma
Bay cat (C. badia)
Asian golden cat (C. temminckii)
Felis
European wildcat (F. silvestris)
African wildcat (F. lybica)
Jungle cat (F. chaus)
Black-footed cat (F. nigripes)
Sand cat (F. margarita)
Chinese mountain cat (F. bieti)
Domestic cat (F. catus)
Leopardus
Ocelot (L. pardalis)
Margay (L. wiedii)
Pampas cat (L. colocola)
Geoffroy's cat (L. geoffroyi)
Kodkod (L. guigna)
Andean mountain cat (L. jacobita)
Oncilla (L. tigrinus)
Southern tigrina (L. guttulus)
Leptailurus
Serval (L. serval)
Lynx
Canadian lynx (L. canadensis)
Eurasian lynx (L. lynx)
Iberian lynx (L. pardinus)
Bobcat (L. rufus)
Otocolobus
Pallas's cat (O. manul)
Pardofelis
Marbled cat (P. marmorata)
Prionailurus
Fishing cat (P. viverrinus)
Leopard cat (P. bengalensis)
Sundaland leopard cat (P. javanensis)
Flat-headed cat (P. planiceps)
Rusty-spotted cat (P. rubiginosus)
Puma
Cougar (P. concolor)
Herpailurus
Jaguarundi (H. yagouaroundi)
Pantherinae
Panthera
Lion (P. leo)
Jaguar (P. onca)
Leopard (P. pardus)
Tiger (P. tigris)
Snow leopard (P. uncia)
Neofelis
Clouded leopard (N. nebulosa)
Sunda clouded leopard (N. diardi)
show
Family Viverridae (includes Civets)
Paradoxurinae
Arctictis
Binturong (A. binturong)
Arctogalidia
Small-toothed palm civet (A. trivirgata)
Macrogalidia
Sulawesi palm civet (M. musschenbroekii)
Paguma
Masked palm civet (P. larvata)
Paradoxurus
Golden wet-zone palm civet (P. aureus)
Asian palm civet (P. hermaphroditus)
Jerdon's palm civet (P. jerdoni)
Golden palm civet (P. zeylonensis)
Hemigalinae
Chrotogale
Owston's palm civet (C. owstoni)
Cynogale
Otter civet (C. bennettii)
Diplogale
Hose's palm civet (D. hosei)
Hemigalus
Banded palm civet (H. derbyanus)
Prionodontinae
(Asiatic linsangs)
Prionodon
Banded linsang (P. linsang)
Spotted linsang (P. pardicolor)
Viverrinae
Civettictis
African civet (C. civetta)
Genetta
(Genets)
Abyssinian genet (G. abyssinica)
Angolan genet (G. angolensis)
Bourlon's genet (G. bourloni)
Crested servaline genet (G. cristata)
Common genet (G. genetta)
Johnston's genet (G. johnstoni)
Rusty-spotted genet (G. maculata)
Pardine genet (G. pardina)
Aquatic genet (G. piscivora)
King genet (G. poensis)
Servaline genet (G. servalina)
Haussa genet (G. thierryi)
Cape genet (G. tigrina)
Giant forest genet (G. victoriae)
Poiana
African linsang (P. richardsonii)
Leighton's linsang (P. leightoni)
Viverra
Malabar large-spotted civet (V. civettina)
Large-spotted civet (V. megaspila)
Malayan civet (V. tangalunga)
Large Indian civet (V. zibetha)
Viverricula
Small Indian civet (V. indica)
show
Family Eupleridae
Euplerinae
Cryptoprocta
Fossa (C. ferox)
Eupleres
Eastern falanouc (E. goudotii)
Western falanouc (E. major)
Fossa
Malagasy civet (F. fossana)
Galidiinae
Galidia
Ring-tailed mongoose (G. elegans)
Galidictis
Broad-striped Malagasy mongoose (G. fasciata)
Grandidier's mongoose (G. grandidieri)
Mungotictis
Narrow-striped mongoose (M. decemlineata)
Salanoia
Brown-tailed mongoose (S. concolor)
Durrell's vontsira (S. durrelli)
show
Suborder Caniformia (cont. below)
Ursidae
(Bears)
Ailuropoda
Giant panda (A. melanoleuca)
Helarctos
Sun bear (H. malayanus)
Melursus
Sloth bear (M. ursinus)
Tremarctos
Spectacled bear (T. ornatus)
Ursus
American black bear (U. americanus)
Brown bear (U. arctos)
Polar bear (U. maritimus)
Asian black bear (U. thibetanus)
Mephitidae
Conepatus
(Hog-nosed
skunks)
Molina's hog-nosed skunk (C. chinga)
Humboldt's hog-nosed skunk (C. humboldtii)
American hog-nosed skunk (C. leuconotus)
Striped hog-nosed skunk (C. semistriatus)
Mephitis
Hooded skunk (M. macroura)
Striped skunk (M. mephitis)
Mydaus
Sunda stink badger (M. javanensis)
Palawan stink badger (M. marchei)
Spilogale
(Spotted skunks)
Southern spotted skunk (S. angustifrons)
Western spotted skunk (S. gracilis)
Eastern spotted skunk (S. putorius)
Pygmy spotted skunk (S. pygmaea)
Procyonidae
Bassaricyon
(Olingos)
Eastern lowland olingo (B. alleni)
Northern olingo (B. gabbii)
Western lowland olingo (B. medius)
Olinguito (B. neblina)
Bassariscus
Ring-tailed cat (B. astutus)
Cacomistle (B. sumichrasti)
Nasua
(Coatis inclusive)
White-nosed coati (N. narica)
South American coati (N. nasua)
Nasuella
(Coatis inclusive)
Western mountain coati (N. olivacea)
Eastern mountain coati (N. meridensis)
Potos
Kinkajou (P. flavus)
Procyon
Crab-eating raccoon (P. cancrivorus)
Raccoon (P. lotor)
Cozumel raccoon (P. pygmaeus)
Ailuridae
Ailurus
Red panda (A. fulgens)
show
Suborder Caniformia (cont. above)
Otariidae
(Eared seals)
(includes fur seals
and sea lions)
(Pinniped inclusive)
Arctocephalus
South American fur seal (A. australis)
Australasian fur seal (A. forsteri)
Galápagos fur seal (A. galapagoensis)
Antarctic fur seal (A. gazella)
Juan Fernández fur seal (A. philippii)
Brown fur seal (A. pusillus)
Guadalupe fur seal (A. townsendi)
Subantarctic fur seal (A. tropicalis)
Callorhinus
Northern fur seal (C. ursinus)
Eumetopias
Steller sea lion (E. jubatus)
Neophoca
Australian sea lion (N. cinerea)
Otaria
South American sea lion (O. flavescens)
Phocarctos
New Zealand sea lion (P. hookeri)
Zalophus
California sea lion (Z. californianus)
Galápagos sea lion (Z. wollebaeki)
Odobenidae
(Pinniped inclusive)
Odobenus
Walrus (O. rosmarus)
Phocidae
(Earless seals)
(Pinniped inclusive)
Cystophora
Hooded seal (C. cristata)
Erignathus
Bearded seal (E. barbatus)
Halichoerus
Gray seal (H. grypus)
Histriophoca
Ribbon seal (H. fasciata)
Hydrurga
Leopard seal (H. leptonyx)
Leptonychotes
Weddell seal (L. weddellii)
Lobodon
Crabeater seal (L. carcinophagus)
Mirounga
(Elephant seals)
Northern elephant seal (M. angustirostris)
Southern elephant seal (M. leonina)
Monachus
Mediterranean monk seal (M. monachus)
Hawaiian monk seal (M. schauinslandi)
Ommatophoca
Ross seal (O. rossi)
Pagophilus
Harp seal (P. groenlandicus)
Phoca
Spotted seal (P. largha)
Harbor seal (P. vitulina)
Pusa
Caspian seal (P. caspica)
Ringed seal (P. hispida)
Baikal seal (P. sibirica)
Canidae
Large family listed below
Mustelidae
Large family listed below
show
Family Canidae (includes dogs)
Atelocynus
Short-eared dog (A. microtis)
Canis
Side-striped jackal (C. adustus)
African golden wolf (C. anthus)
Golden jackal (C. aureus)
Coyote (C. latrans)
Gray wolf (C. lupus)
Black-backed jackal (C. mesomelas)
Red wolf (C. rufus)
Ethiopian wolf (C. simensis)
Cerdocyon
Crab-eating fox (C. thous)
Chrysocyon
Maned wolf (C. brachyurus)
Cuon
Dhole (C. alpinus)
Lycalopex
Culpeo (L. culpaeus)
Darwin's fox (L. fulvipes)
South American gray fox (L. griseus)
Pampas fox (L. gymnocercus)
Sechuran fox (L. sechurae)
Hoary fox (L. vetulus)
Lycaon
African wild dog (L. pictus)
Nyctereutes
Raccoon dog (N. procyonoides)
Otocyon
Bat-eared fox (O. megalotis)
Speothos
Bush dog (S. venaticus)
Urocyon
Gray fox (U. cinereoargenteus)
Island fox (U. littoralis)
Vulpes
(Foxes)
Bengal fox (V. bengalensis)
Blanford's fox (V. cana)
Cape fox (V. chama)
Corsac fox (V. corsac)
Tibetan sand fox (V. ferrilata)
Arctic fox (V. lagopus)
Kit fox (V. macrotis)
Pale fox (V. pallida)
Rüppell's fox (V. rueppelli)
Swift fox (V. velox)
Red fox (V. vulpes)
Fennec fox (V. zerda)
hide
Family Mustelidae
Lutrinae
(Otters)
Aonyx
African clawless otter (A. capensis)
Oriental small-clawed otter (A. cinerea)
Enhydra
Sea otter (E. lutris)
Hydrictis
Spotted-necked otter (H. maculicollis)
Lontra
North American river otter (L. canadensis)
Marine otter (L. felina)
Neotropical otter (L. longicaudis)
Southern river otter (L. provocax)
Lutra
Eurasian otter (L. lutra)
Hairy-nosed otter (L. sumatrana)
Lutrogale
Smooth-coated otter (L. perspicillata)
Pteronura
Giant otter (P. brasiliensis)
Mustelinae
(including badgers)
Arctonyx
Hog badger (A. collaris)
Eira
Tayra (E. barbara)
Galictis
Lesser grison (G. cuja)
Greater grison (G. vittata)
Gulo
Wolverine (G. gulo)
Ictonyx
Saharan striped polecat (I. libyca)
Striped polecat (I. striatus)
Lyncodon
Patagonian weasel (L. patagonicus)
Martes
(Martens)
American marten (M. americana)
Yellow-throated marten (M. flavigula)
Beech marten (M. foina)
Nilgiri marten (M. gwatkinsii)
European pine marten (M. martes)
Japanese marten (M. melampus)
Sable (M. zibellina)
Pekania
Fisher (P. pennanti)
Meles
Japanese badger (M. anakuma)
Asian badger (M. leucurus)
European badger (M. meles)
Mellivora
Honey badger (M. capensis)
Melogale
(Ferret-badgers)
Bornean ferret-badger (M. everetti)
Chinese ferret-badger (M. moschata)
Javan ferret-badger (M. orientalis)
Burmese ferret-badger (M. personata)
Mustela
(Weasels and Ferrets)
Amazon weasel (M. africana)
Mountain weasel (M. altaica)
Stoat (M. erminea)
Steppe polecat (M. eversmannii)
Colombian weasel (M. felipei)
Long-tailed weasel (M. frenata)
Japanese weasel (M. itatsi)
Yellow-bellied weasel (M. kathiah)
European mink (M. lutreola)
Indonesian mountain weasel (M. lutreolina)
Black-footed ferret (M. nigripes)
Least weasel (M. nivalis)
Malayan weasel (M. nudipes)
European polecat (M. putorius)
Siberian weasel (M. sibirica)
Back-striped weasel (M. strigidorsa)
Egyptian weasel (M. subpalmata)
Neovison
(Minks)
American mink (N. vison)
Poecilogale
African striped weasel (P. albinucha)
Taxidea
American badger (T. taxus)
Vormela
Marbled polecat (V. peregusna)
Taxon identifiers
Wikidata: Q584064
Wikispecies: Martes pennanti
ADW: Martes_pennanti
ARKive: martes-pennanti
EoL: 328592
Fossilworks: 47925
GBIF: 5218855
iNaturalist: 41799
IRMNG: 10198732
ITIS: 180560
IUCN: 41651
MSW: 14001254
NCBI: 76720
uBio: 105653
Retrieved from "https://en.wikipedia.org/w/index.php?title=Fisher_(animal)&oldid=848339458"
Categories:
IUCN Red List least concern species
Fauna of the Great Lakes region (North America)
Fauna of the Sierra Nevada (U.S.)
Mammals of Canada
Mammals of the United States
Martens
Mammals described in 1777
Hidden categories:
Use mdy dates from August 2016
Articles with 'species' microformats
Wikipedia articles incorporating a citation from the Encyclopedia Americana with a Wikisource reference
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//www.worldcat.org/issn/1755-263X

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