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Margined sculpin (Cottus marginatus) — Cottidae

Margined sculpin

Cottus marginatus
Family: Cottidae
NT · Near Threatened

The Margined sculpin (Cottus marginatus) is a freshwater fish of the family Cottidae that grows up to 13 cm.

Length
13 cm
Water
Freshwater
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Not eaten

Description

The margined sculpin is a small freshwater sculpin (Cottidae) from the northwestern United States, in the Columbia drainage of Washington and Oregon. The species reaches about 13 cm and has a stocky body with a broad head and a brown, mottled camouflage pattern. It inhabits gravel and rubble riffles of clear creeks and small rivers, where it lies in ambush on the bottom for aquatic insect larvae and small invertebrates. Through its sensitivity to habitat loss and water pollution the species is assessed by the IUCN as near threatened (NT).

Frequently asked questions

How do you recognise the Margined sculpin?

The Margined sculpin has an elongate, eel-like body, is mainly brown and shows a marbled pattern.

Where does the Margined sculpin live?

The Margined sculpin lives in fresh water and is mostly found around sand or mud bottom.

How big does the Margined sculpin get?

The Margined sculpin grows to a maximum of about 13 cm. On average the species is around 9 cm.

Is the Margined sculpin dangerous to humans?

No, the Margined sculpin is harmless to humans.

Is the Margined sculpin edible?

The Margined sculpin is not usually eaten.

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All data

Identification

Dutch name
Zoomdonderpad sourced
English name
Margined sculpin verified
Scientific name
Cottus marginatus
Family
Cottidae

Appearance

Size class
Small verified
Max length (cm)
13.0 verified
Average length (cm)
9.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Marbled inferred
Tail shape
Rounded inferred
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Freshwater sourced
Substrate
Sand / mud bottom sourced
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Social behaviour
Solitary inferred
Territorial
No inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred

For anglers

Edibility
Not eaten sourced
Fishing method
Geen doelsoort voor de hengelsport; hooguit incidentele vangst of bruikbaar als aasvisje. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Cottus

More from the family Cottidae

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