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Atlantic wolffish (Anarhichas lupus) — Anarhichadidae

Atlantic wolffish

Anarhichas lupus
NE · Not Evaluated

The Atlantic wolffish (Anarhichas lupus) is a saltwater fish of the family Anarhichadidae that grows up to 150 cm.

Length
150 cm
Water
Saltwater
Depth
1.0–600.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northeast Atlantic from Svalbard and the White Sea to the Scandinavian coast; northwest Atlantic from Labrador to Cape Cod.
Edibility
Commonly eaten

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Description

The Atlantic wolffish is a stout, eel-like bottom fish of the family Anarhichadidae reaching about 150 cm. The body is greyish-green to brownish with ten to fifteen dark cross-bars that extend into the long dorsal fin. The species is famous for its powerful jaws, with large canine teeth at the front and rounded pavement molars behind, used to crush shellfish, crabs, lobsters and sea urchins. The wolffish lives solitarily on rocky bottoms of the northern Atlantic and North Sea, usually between 18 and 110 m. The males guard the egg clutch until the young hatch. It is a valued food fish.

Frequently asked questions

How do you recognise the Atlantic wolffish?

The Atlantic wolffish has an elongate, eel-like body, is mainly brown and shows a vertical stripes pattern. Eel-shaped bottom fish with powerful canines and pavement-like molars for crushing shellfish, crabs and sea urchins; 10-15 dark vertical bars.

Where does the Atlantic wolffish live?

The Atlantic wolffish lives in the sea (marine waters) and is mostly found around sand or mud bottom. Northeast Atlantic from Svalbard and the White Sea to the Scandinavian coast; northwest Atlantic from Labrador to Cape Cod.

How big does the Atlantic wolffish get?

The Atlantic wolffish grows to a maximum of about 150 cm.

Is the Atlantic wolffish dangerous to humans?

No, the Atlantic wolffish is harmless to humans. Not dangerous in the water, but the powerful jaws can bite hard when handled; take care with a captured fish.

Is the Atlantic wolffish edible?

Yes, the Atlantic wolffish is commonly eaten.

More photos

Atlantic wolffish (Anarhichas lupus) — Anarhichadidae — 2
iNaturalist ((c) mumudu, some rights reserved (CC BY-NC))
Atlantic wolffish (Anarhichas lupus) — Anarhichadidae — 3
iNaturalist ((c) Alex Shure, some rights reserved (CC BY-NC))
Atlantic wolffish (Anarhichas lupus) — Anarhichadidae — 4
iNaturalist ((c) Alex Shure, some rights reserved (CC BY-NC))
Atlantic wolffish (Anarhichas lupus) — Anarhichadidae — 5
iNaturalist ((c) Gail Ashton PhD, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Atlantic wolffish verified
Scientific name
Anarhichas lupus
Family
Anarhichadidae
Other names
Atlantic wolffish; Catfish; Cat-fish; Ocean whitefish; Sea-cat; Wolffish; Wolf-fish verified

Appearance

Size class
Extra large verified
Max length (cm)
150.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown sourced
Pattern
Vertical bars sourced
Tail shape
Rounded sourced
Mouth position
Terminal inferred
Lips
Thick / fleshy inferred
Barbels
No verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
1.0 verified
Max depth (m)
600.0 verified
Natural range
Northeast Atlantic from Svalbard and the White Sea to the Scandinavian coast; northwest Atlantic from Labrador to Cape Cod. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Worms, crustaceans, molluscs and benthic invertebrates inferred
Social behaviour
Solitary verified
Territorial
No verified
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Males guard the nest of eggs until hatching and hardly eat during that time. sourced
Special features
Eel-shaped bottom fish with powerful canines and pavement-like molars for crushing shellfish, crabs and sea urchins; 10-15 dark vertical bars. sourced

For anglers

Edibility
Commonly eaten verified
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
Not dangerous in the water, but the powerful jaws can bite hard when handled; take care with a captured fish. sourced

Status & sources

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

Same genus Anarhichas

More from the family Anarhichadidae

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