Fin's Fish Guide
The Potomac sculpin (Cottus girardi) is a freshwater fish of the family Cottidae that grows up to 14 cm.
Eastern US; rocky streams and rivers of the Potomac river basin and surroundings.
Description
The Potomac sculpin is a small North American freshwater sculpin of the family Cottidae from the eastern United States. The species grows to about 14 cm and has a stocky body with a broad, flattened head, a large mouth and no scales. It inhabits rocky runs and pools of creeks and small to medium rivers, often near vegetation. As a small bottom predator it often lies motionless in ambush and seizes insect larvae, small crustaceans and small fishes. Sculpins lack a swim bladder and move over the bottom in short hops. The species is harmless to humans.
Frequently asked questions
How do you recognise the Potomac sculpin?
The Potomac sculpin has an elongate, eel-like body, is mainly brown and shows a marbled pattern. Broad, flattened head without scales; lacks a swim bladder and moves over the bottom in little hops.
Where does the Potomac sculpin live?
The Potomac sculpin lives in fresh water and is mostly found around sand or mud bottom. Eastern US; rocky streams and rivers of the Potomac river basin and surroundings.
How big does the Potomac sculpin get?
The Potomac sculpin grows to a maximum of about 14 cm. On average the species is around 8 cm.
Is the Potomac sculpin dangerous to humans?
No, the Potomac sculpin is harmless to humans. None required: this species is harmless to humans.
Is the Potomac sculpin edible?
The Potomac sculpin is not usually eaten.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
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Status & sources
Same genus Cottus
More from the family Cottidae
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