WoRMS taxon details

Lontra canadensis Schreber, 1777

159017  (urn:lsid:marinespecies.org:taxname:159017)

accepted
Species
marine
Not documented
Distribution North America (Alaska west across northern Canada and the US to Nova Scotia)  
Distribution North America (Alaska west across northern Canada and the US to Nova Scotia) [details]
WoRMS (2018). Lontra canadensis Schreber, 1777. Accessed at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=159017 on 2018-11-16
Date
action
by
2005-05-27 09:47:05Z
created
2010-05-20 10:09:49Z
checked

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


basis of record Wilson, D. E., and D. M. Reeder (eds.). 1993. Mammal species of the world. Smithsonian Institution Press., available online at http://vertebrates.si.edu/mammals/msw/ [details]   

additional source Grand Manan Whale and Seabird Research Station., available online at http://www.gmwsrs.org/main.htm [details]   

additional source Linkletter, L. E. (1977). A checklist of marine fauna and flora of the Bay of Fundy. <em>Huntsman Marine Laboratory, St. Andrews, N.B.</em> 68: p. [details]   

additional source University of Michigan Museum of Zoology. Animal Diversity Web., available online at http://animaldiversity.ummz.umich.edu/site/index.html [details]   
 
 Present  Inaccurate  Introduced: alien  Containing type locality 
 

From other sources
Diet Amphibians, fish, crayfish, and other invertebrates. Birds and small terrestrial mammals are also eaten on occation. [details]

Dimensions Length: 66-107 cm (tail length is 32-46 cm); Weight: 3-14 kg [details]

Distribution North America (Alaska west across northern Canada and the US to Nova Scotia) [details]

Habitat Riparian zones, usually no more than a few hundred meters from water unless they are moving between rivers or lakes. River otters can tolerate a variety of environments including very cold and hot areas, high elevations, and coastal waters (rarely). [details]

Importance Hunted for many years for their attractive and durable fur. River otters also eat "trash fish" that compete with more economically beneficial game fish. [details]

Morphology Distinguishing characteristics: long streamlined animals with a thick tapered tail and short legs, wide, rounded head, small ears, and nostrils that can be closed underwater. long thick whiskers. they are dark brown to black above a ligther color ventrally. throat and cheeks are usually a golden. The feet have claws and are completely webbed.  [details]

Predators None [details]

Reproduction Breeding: March to April. They have one to 5 young born 10-12 months later (delayed implantation of the fertilized egg in the uterus). Young are weaned 3-4 months and leave parents after a year. Sexual maturity is reached at 2-3 years of age. [details]
 

LanguageName 
English river otterNorth American river otter  [details]