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Bigmouth sculpin (Hemitripterus bolini) — Hemitripteridae

Bigmouth sculpin

Hemitripterus bolini
NE · Not Evaluated

The Bigmouth sculpin (Hemitripterus bolini) is a saltwater fish of the family Hemitripteridae that grows up to 73 cm.

Length
73 cm
Water
Saltwater
Depth
25.0–925.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
North Pacific
Edibility
Rarely eaten

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Description

The bigmouth sculpin is a large sculpin from the northern Pacific, off Alaska and adjacent waters. The species grows to about 73 cm and has a stocky body with a large, broad mouth, knobbly skin and fringes on the head. As a slow bottom-dweller it lives on soft and rocky bottoms of the continental shelf and slope, to about 900 metres, and hunts crustaceans and fish with large gulps. The fish is harmless to humans. The IUCN has not evaluated the species.

Frequently asked questions

How do you recognise the Bigmouth sculpin?

The Bigmouth sculpin has a torpedo-shaped body, is mainly brown and shows a marbled pattern. Large broad mouth and knobbly skin; slow bottom sculpin

Where does the Bigmouth sculpin live?

The Bigmouth sculpin lives in the sea (marine waters) and is mostly found around sand or mud bottom. North Pacific

How big does the Bigmouth sculpin get?

The Bigmouth sculpin grows to a maximum of about 73 cm.

Is the Bigmouth sculpin dangerous to humans?

No, the Bigmouth 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.

Is the Bigmouth sculpin edible?

The Bigmouth sculpin is rarely eaten.

More photos

Bigmouth sculpin (Hemitripterus bolini) — Hemitripteridae — 2
iNaturalist ((c) sharon_jeffery, some rights reserved (CC BY-NC))
Bigmouth sculpin (Hemitripterus bolini) — Hemitripteridae — 3
iNaturalist ((c) Justin Hofman, some rights reserved (CC BY-NC))
Bigmouth sculpin (Hemitripterus bolini) — Hemitripteridae — 4
iNaturalist ((c) Ben Adams, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Bigmouth sculpin verified
Scientific name
Hemitripterus bolini
Family
Hemitripteridae
Other names
Bigmouth sculpin verified

Appearance

Size class
Large verified
Max length (cm)
73.0 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Brown sourced
Pattern
Marbled sourced
Tail shape
Rounded inferred
Mouth position
Terminal sourced
Lips
Thin sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
25.0 verified
Max depth (m)
925.0 verified
Natural range
North Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Crustaceans and fishes inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
levensduur_max_jaar
23.0 verified
Seasonality
Slow bottom-dwelling sculpin; present year-round. sourced
Special features
Large broad mouth and knobbly skin; slow bottom sculpin sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
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. verified

Status & sources

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

Same genus Hemitripterus

More from the family Hemitripteridae

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