Home · Etmopteridae · Hooktooth dogfish
Hooktooth dogfish (Aculeola nigra) — Etmopteridae

Hooktooth dogfish

Aculeola nigra
Family: Etmopteridae
LC · Least Concern

The Hooktooth dogfish (Aculeola nigra) is a saltwater fish of the family Etmopteridae that grows up to 60 cm.

Length
60 cm
Water
Saltwater
Depth
110.0–560.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Edibility
Not eaten

Description

The hooktooth dogfish is a small deep-sea shark from the eastern Pacific, off the west coast of South America. The species grows to about 60 cm and has a slender, blackish body, large eyes and characteristic hook-shaped teeth in both jaws. As a near-bottom hunter it lives on the continental slope, at depths between roughly 110 and 560 metres, and feeds on small fish and crustaceans. It bears live young. The shark is harmless to humans and is sometimes landed as bycatch. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Hooktooth dogfish?

The Hooktooth dogfish has an elongate, eel-like body, is mainly black and shows a plain pattern.

Where does the Hooktooth dogfish live?

The Hooktooth dogfish lives in the sea (marine waters) and is mostly found around sand or mud bottom.

How big does the Hooktooth dogfish get?

The Hooktooth dogfish grows to a maximum of about 60 cm.

Is the Hooktooth dogfish dangerous to humans?

No, the Hooktooth dogfish is harmless to humans.

Is the Hooktooth dogfish edible?

The Hooktooth dogfish is not usually eaten.

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All data

Identification

Dutch name
Haaktandlantaarnhaai sourced
English name
Hooktooth dogfish verified
Scientific name
Aculeola nigra
Family
Etmopteridae

Appearance

Size class
Large verified
Max length (cm)
60.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Black sourced
Pattern
Plain sourced
Tail shape
Crescent (lunate) inferred
Mouth position
Inferior (downward) 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)
110.0 verified
Max depth (m)
560.0 verified
Origin
Native verified

Behaviour & biology

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

For anglers

Edibility
Not eaten sourced
Fishing method
Bodemvissen met natuurlijk aas (worm, garnaal of vis) op of vlak boven de bodem. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced

Status & sources

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

More from the family Etmopteridae

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