Fin's Fish Guide
The Riffle sculpin (Cottus gulosus) is a freshwater fish of the family Cottidae that grows up to 11 cm.
Description
The riffle sculpin is a sculpin (Cottidae) from clear, cool streams and rivers of western North America. The species grows to about 11 cm and has a stocky, brown-mottled body with a large head and fan-shaped pectoral fins. As a bottom-dweller it hides by day under stones of riffles and hunts insect larvae, small crustaceans and fish eggs. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Riffle sculpin?
The Riffle sculpin has an elongate, eel-like body, is mainly brown and shows a marbled pattern.
Where does the Riffle sculpin live?
The Riffle sculpin lives in fresh water and is mostly found around sand or mud bottom. North America: USA
How big does the Riffle sculpin get?
The Riffle sculpin grows to a maximum of about 11 cm. On average the species is around 6 cm.
Is the Riffle sculpin dangerous to humans?
No, the Riffle sculpin is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.
More photos
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Cottus
More from the family Cottidae
Want the complete picture on the Riffle sculpin?
Point your camera at the fish and Fin names the species in seconds. Free, and the Riffle sculpin is one of 12,519 species in the app.
Or scan with your phone