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Arctic alligatorfish (Aspidophoroides olrikii) — Agonidae

Arctic alligatorfish

Aspidophoroides olrikii
Family: Agonidae

The Arctic alligatorfish (Aspidophoroides olrikii) is a brackish-water fish of the family Agonidae that grows up to 9 cm.

Length
8.6 cm
Water
Brackish
Depth
0.0–632.0 m
Diet
Carnivore
Behaviour
Solitary
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Not eaten

Description

The Arctic alligatorfish is a poacher (Agonidae) from the icy waters of the Arctic Ocean and adjacent seas. The species has an elongate, slender body entirely covered with bony plates like armour, giving it a stiff and angular look. It lives on sand and mud bottoms at temperatures mostly below freezing, in salt water. On the bottom it feeds on small crustaceans and other invertebrates. The species is harmless to humans.

Frequently asked questions

How do you recognise the Arctic alligatorfish?

The Arctic alligatorfish has an elongate, eel-like body, is mainly brown and shows a plain pattern.

Where does the Arctic alligatorfish live?

The Arctic alligatorfish lives in brackish water and is mostly found around sand or mud bottom.

How big does the Arctic alligatorfish get?

The Arctic alligatorfish grows to a maximum of about 9 cm.

Is the Arctic alligatorfish dangerous to humans?

No, the Arctic alligatorfish is harmless to humans.

Is the Arctic alligatorfish edible?

The Arctic alligatorfish is not usually eaten.

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All data

Identification

Dutch name
Arctische alligatorvis sourced
English name
Arctic alligatorfish verified
Scientific name
Aspidophoroides olrikii
Family
Agonidae
Other names
Arctic alligatorfish verified

Appearance

Size class
Small verified
Max length (cm)
8.6 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Plain inferred
Tail shape
Straight inferred
Mouth position
Terminal inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
No sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0.0 verified
Max depth (m)
632.0 verified
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 Aspidophoroides

More from the family Agonidae

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