- Fourhorn sculpin
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Fourhorn sculpin 
Conservation status Scientific classification Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Scorpaeniformes Family: Cottidae Genus: Myoxocephalus Species: M. quadricornis Binomial name Myoxocephalus quadricornis
(Linnaeus, 1758)Synonyms Triglopsis quadricornis
The fourhorn sculpin (Myoxocephalus quadricornis or Triglopsis quadricornis) is a species of fish in the Cottidae family. It is a demersal fish distributed mainly in brackish arctic coastal waters in Canada, Greenland, Russia, and Alaska, and also as a relict in the boreal Baltic Sea. There are also freshwater populations in the lakes of Norway, Sweden, Finland and Karelia (NW Russia) and in Arctic Canada (Nunavut and Northwest Territories).
The deepwater sculpin Myoxocephalus thompsonii of continental North American freshwater lakes (e.g., the Great Lakes) is closely related to the fourhorn sculpin and alternatively considered as a subspecies of the latter, Myoxocephalus quadricornis thompsonii.
References
- COSEWIC Assessment and Update Status Report on the Fourhorn Sculpin Myoxocephalus quadricornis Freshwater form in Canada. Committee on the Status of Endangered Wildlife in Canada. 2003.
- Gimenez Dixon, M. 1996. Triglopsis quadricornis. 2006 IUCN Red List of Threatened Species. Downloaded on 4 August 2007.
- Fourhorn sculpin Game and Fisheries Research.
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