fisher

(Pekania pennanti)

Conservation Status

IUCN Red List

LC - Least Concern

NatureServe

N5 - Secure

SNR - Unranked

Minnesota

not listed

 
fisher
Photo by Dan W. Andree
 
Description

The fur (pelage) is dark brown to nearly black with white-tipped hairs over the head and shoulders giving it a frosted appearance.

 

Size

Total length: 29 to 47

Head and body: 20 to 25

Tail: 13 to 15

 

Sign

 

 

Similar Species

 
Habitat

Deciduous, coniferous, and mixed forests with low or closed canopies

Ecology

Behavior

 

 

Lifespan

10 years

 

Life Cycle

 

 

Food

 

Distribution

Distribution Map

 

Sources

4, 24, 29, 30, 76.

The only sighting in Wabasha County (light green on map) is sourced from GBIF. However, iNaturalist sightings are often obscured, with dots appearing randomly near the actual location, sometimes in adjacent counties. GBIF utilizes these iNaturalist sightings, thereby inheriting the same dot locations, which can lead to errors in their maps, as seen in this case.

4/4/2024  
     

Occurrence

 

Taxonomy
Class Mammalia (mammals)
Subclass Theria
Infraclass Eutheria (placental mammals)
Magnorder Boreoeutheria
Superorder Laurasiatheria (ungulates, carnivorans, and allies)
Order Carnivora (carnivorans)
Suborder Caniformia (dog-like carnivores)

Family

Mustelidae (weasel, mink, badger, martens and others)

Subfamily

Guloninae (wolverines, martens, and tayras)

Genus

Pekania (Fisher “Cats”)
   

Subfamily
Recent DNA studies have suggested that the traditional arrangement of family Mustelidae into two subfamilies based on morphological differences is invalid. Under this arrangement, the subfamily Mustelinae is polyphyletic (derived from more than one evolutionary ancestor.) Two molecular phylogenetic analyses in Sato et al (2004) and Koepfli et al (2008) suggest separating the family into eight subfamilies. Under their scheme, martens are placed in the subfamily Martinae. This suggestion has not been widely adopted.

Species
The same study also strongly suggests that the fisher should be placed in its own genus Pekania. This suggestion has been widely but not universally adopted. Fisher was formerly classified as Martes pennanti. It was reclassified as Pekania pennanti, and is now the only species in that genus.

   

Subordinate Taxa

Some authorities recognize three subspecies. Others consider the species monotypic (having only one immediately subordinate taxon.)

 

British Columbia fisher (Martes pennanti columbiana)

fisher (Martes pennanti pennanti)

Pacific fisher (Martes pennanti pacifica)

   

Synonyms

Martes pennanti

   

Common Names

fisher

 

 

 

 

 

 

 

 

Glossary

Pelage

The coat of a mammal, consisting of fur, wool, or hair, and including a soft undercoat and stiff guard hairs.

 

Visitor Photos
 

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Dave Dosh

fisher  

 

Best of 6 trail cam pics captured over 3 week span.

Pat Brice

Fisher Sighting on Trail Cam - Possibly

This is not a cat and the previous two cam images showed a dark blur as this animal leapt a couple times and then sat where the trail cam photographed it. After researching possibilities (marten, weasel, cat), the most likely animal that this appears to be is a Fisher. The size, body shape, and thick tail are not like any other animal.

A search of the Minnesota DNR website and other Minnesota sites shows that they have been seen in Houston county.

  fisher

Christa Schwen

fisher    

Trail Cam

Alisa Hornberg

fisher    

Caught on trail cam

Dan W. Andree

"Fisher photos".... An interesting animal larger than a mink....

It seemed curious about me and only got anxious when it wanted to come down out of the tree. I was below and it got a little nervous and started making these little chuckling sounds so I backed away and it came down the back of the tree peeking around keeping an eye on me and then scampered off away into the woods. I did not seem threatening at all.

  fisher
     
fisher   fisher

Jamie Waltzing

fisher  

 

Trail camera Photo.  

 

MinnesotaSeasons.com Photos
   

 

   

 

 

Camera

Slideshows

Fisher
NYS Zoo

Fisher

Fishers 14 Sept 2015
Rob Fowler

Fishers 14 Sept 2015

 

slideshow

Visitor Videos
 

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Dan W. Andree

A "Fisher" in a tree.
Published on Jan 16, 2015

About

Fishers are members of the weasel family. They sometimes get a bad rap as a vicious, dangerous animal. While they can be vicious in surviving in the wild they usually are not a threat to humans. I am in their territory a lot and have followed their tracks in winter and yet have only seen them a few times. This fisher got a little anxious wanting to come down out of the tree, so I backed off and let him down. He had sat there peacefully for several minutes not minding me at all.

Other Videos

Fisher (Pekania pennanti)
WildlandsTrust

About

Uploaded on Jun 21, 2011

Fisher seen outside the Wildlands Trust office in Duxbury, MA

Fisher "Pekania pennanti"
zeekyblast

About

Published on Aug 19, 2012

This is by far my best Fisher video to date. Taken two hundred feet from the house. Mather Creek Drainage, Fieldbrook, California. 8-19-2012, 8:00 am

IMG 0171
Stan Rullman

About

Published on Sep 4, 2014

Fisher (Pekania pennanti) in our yard near Cedar Pond.

Fishers (Pekania pennanti) 14 Sept 2015
Rob Fowler

About

Published on Sep 21, 2015

This pair (mother and kit; id'd by an expert on Fishers) was found by Elias Elias along the Arcata Ridge Trail in Arcata, Humboldt County, CA. Northwestern CA generally supports a decent population of Fishers but most of them are found inland, not along the coastal slope like these two were.

Fisher at bait
Dave Bonta

About

Uploaded on Feb 25, 2011

Game cam footage of a fisher (Pekania pennanti) on Brush Mountain in Central Pennsylvania, an area where fishers had been extirpated for over a hundred years.

 

Camcorder

Visitor Sightings
 

Report a sighting of this mammal.

 

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Simply email us at info@MinnesotaSeasons.com.
Be sure to include a location.

Dave Dosh
4/2/2024

Location: Sherburne County

Best of 6 trail cam pics captured over 3 week span.

fisher
Christa Schwen
5/3/2023

Location: Houston County, about 2 miles north of Money Creek, west of Hwy 76.

This is not a cat and the previous two cam images showed a dark blur as this animal leapt a couple times and then sat where the trail cam photographed it. After researching possibilities (marten, weasel, cat), the most likely animal that this appears to be is a Fisher. The size, body shape, and thick tail are not like any other animal.

fisher

 

A search of the Minnesota DNR website and other Minnesota sites shows that they have been seen in Houston county.

Tim Kirkman
4/6/2021

Location: Carver County / Hollywood Township

I had one run across our farm's orchard in broad daylight. Seemed to be heading toward a nearby marshy area.

Christa Schwen
4/19/2020

Location: Ogilvie, MN

Trail Cam

fisher

Joy Kemple
4/7/2020

Location: Twin Valley

I seen one run right through my front yard at about 7 AM. I live about a mile north of the Dam in Twin Valley. It was very plump and running towards the turkey farm. I noticed that I don't have rabbits running all over the place anymore like I used to have. And there was a porcupine spotted in my tree last fall and I sure hope he got it. I also noticed that I did not have one mouse in my house this year or my Barn Bldg. and I didn't put out any Poison only traps and only caught one mouse in a trap last fall. And it seems the squirrels all disappeared also, which is a good thing because they were getting out of hand. I don't have any pets but lots of deer hang out in my yard and wild turkeys were hanging out here last fall but maybe the Fisher had a good Thanksgiving...he looked really fat. I will try to get a picture of him tomorrow morning if he comes back. 

Alisa Hornberg
9/24/2019

Location: Homer Valley, Winona County

Caught on trail cam

fisher

Dan W. Andree

Location: I filmed and photographed this fisher a few years or so back in the woods along the Wild Rice River in Norman Co. Mn. They do exist there today as I have seen tracks in the snow and occasional glimpse near a water hole in the woods in summer since.

It seemed curious about me and only got anxious when it wanted to come down out of the tree. I was below and it got a

fisher

 

little nervous and started making these little chuckling sounds so I backed away and it came down the back of the tree peeking around keeping an eye on me and then scampered off away into the woods. I did not seem threatening at all.  

Jamie Waltzing
8/1/2017
7:25 AM

Location: East of Miltona MN, south of Rose City. This is the approximate intersection: County 68 and Willow Road

Trail camera Photo.

fisher

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