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Atlantic hagfish (Myxine glutinosa) — Myxinidae

Atlantic hagfish

Myxine glutinosa
Family: Myxinidae
LC · Least Concern

The Atlantic hagfish (Myxine glutinosa) is a saltwater fish of the family Myxinidae that grows up to 95 cm.

Length
95 cm
Water
Saltwater
Depth
20.0–1200.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Snake-like
Substrate
Sand / mud bottom
Danger
Harmless
Range
North Atlantic on both sides and the North Sea, buried in soft sandy and silty bottoms.
Edibility
Not eaten

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Description

The Atlantic hagfish is a jawless, eel-shaped primitive fish of the family Myxinidae reaching about 95 cm. Unlike true fish it has no jaws and no real eyes, but a round mouth with horny tooth plates and tufts of barbels. Famous is its defence: when disturbed it rapidly secretes enormous amounts of sticky slime from numerous skin pores, thickening the surrounding water into a slippery mass. The species lives buried in soft sand and mud bottoms of the northern Atlantic and the North Sea, from shallow water to more than a thousand metres. It is mainly a scavenger that bores into dead fish and sea animals, but also eats worms and crustaceans.

Frequently asked questions

How do you recognise the Atlantic hagfish?

The Atlantic hagfish has a snake-like body, is mainly pink-purple and shows a plain pattern. Jawless, eel-shaped primitive fish without true eyes or jaws; produces enormous amounts of mucus when disturbed and has barbels around the mouth.

Where does the Atlantic hagfish live?

The Atlantic hagfish lives in the sea (marine waters) and is mostly found around sand or mud bottom. North Atlantic on both sides and the North Sea, buried in soft sandy and silty bottoms.

How big does the Atlantic hagfish get?

The Atlantic hagfish grows to a maximum of about 95 cm. On average the species is around 30 cm.

Is the Atlantic hagfish dangerous to humans?

No, the Atlantic hagfish is harmless to humans. None required: this species is harmless to humans.

Is the Atlantic hagfish edible?

The Atlantic hagfish is not usually eaten.

More photos

Atlantic hagfish (Myxine glutinosa) — Myxinidae — 2
iNaturalist ((c) Jonas Larsen, some rights reserved (CC BY-NC))
Atlantic hagfish (Myxine glutinosa) — Myxinidae — 3
iNaturalist ((c) Vsevolod Rudyi, some rights reserved (CC BY))
Atlantic hagfish (Myxine glutinosa) — Myxinidae — 4
iNaturalist ((c) Vsevolod Rudyi, some rights reserved (CC BY))
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All data

Identification

English name
Atlantic hagfish verified
Scientific name
Myxine glutinosa
Family
Myxinidae
Other names
Atlantic hagfish; Borer; Common hag; Hagfish; Hag-fish; Northern hagfish; Slime eel verified

Appearance

Size class
Extra large verified
Max length (cm)
95.0 verified
Average length (cm)
30.0 verified
Body shape
Snake-like sourced
Dominant colour
Pink / purple sourced
Pattern
Plain sourced
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
Yes verified
Dorsal fins
One continuous sourced
Dorsal spines
No verified

Habitat & distribution

Water type
Saltwater verified
Substrate
Sand / mud bottom sourced
Min depth (m)
20.0 verified
Max depth (m)
1200.0 verified
Natural range
North Atlantic on both sides and the North Sea, buried in soft sandy and silty bottoms. verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore verified
Diet (detail)
Carrion from dead fishes and marine animals; also worms and crustaceans sourced
Social behaviour
Solitary verified
Territorial
No verified
Activity
Nocturnal inferred
Reproduction
Separate sexes verified
Sexual dimorphism
No verified
Seasonality
Lives year-round buried in the bottom; lays a small number of large eggs connected by hooks. sourced
Special features
Jawless, eel-shaped primitive fish without true eyes or jaws; produces enormous amounts of mucus when disturbed and has barbels around the mouth. sourced

For anglers

Edibility
Not 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
None required: this species is harmless to humans. sourced

Status & sources

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

Same genus Myxine

More from the family Myxinidae

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