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Summary for Cottus cognatus Larvae
Slimy sculpin

Cottus  cognatus  Richardson, 1836
Family:	Cottidae (Sculpins)			( not available )
Order:	Scorpaeniformes
Class:	Actinopterygii (ray-finned fishes)
English name:	Slimy sculpin
Distribution:	North America: throughout most of mainland Canada and Alaska; Atlantic Slope drainages south to Potomac River in Virginia, USA; St. Lawrence-Great Lakes basin; upper Mississippi River basin in Wisconsin, Minnesota and Iowa, USA; upper Columbia River drainage in Canada and USA. Also in Siberia, Russia.
Adult biology:	Inhabits rocky riffles of cold streams, rocky areas of lakes (commonly at 90-106 m depth), springs and their effluents (Ref. 5723). Moves into shallow water to spawn (Ref. 27547). In some areas, they are common in brackish water (Ref. 27843), presumably moving to and from fresh water, at least for spawning (Ref. 27547). Feeds mostly on aquatic insect larvae and nymphs but also on crustaceans, small fishes, and plant materials (Ref. 1998). May be used as bait, but this seems rare (Ref. 27547).
Diagnosis:	See also LARVAE table.
Climate Zone:	temperate; 4 - 16°C; 71°N - 37°N
Main Ref:	Morrow, J.E.. 1980. (Ref. 27547)
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Internet sources:	CISTI | Google | GoogleImages | GOBASE | GenBank | PubMed | Scirus | Zoological Record Note: use the Back button of your browser to return to LarvalBase.
	Entered: Garilao, Cristina V.

	Ref.:				Glossary
		(e.g. 9948)				(e.g. urostyle)

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Page created by Eli 09.11.99, last modified by Eli 04.03.05.