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Prickly shark (Echinorhinus cookei) — Echinorhinidae

Prickly shark

Echinorhinus cookei
DD · Data Deficient

The Prickly shark (Echinorhinus cookei) is a saltwater fish of the family Echinorhinidae that grows up to 400 cm.

Length
400 cm
Water
Saltwater
Depth
11.0–1100.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Range
Pacific Ocean (deep sea)
Edibility
Rarely eaten

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Description

The prickly shark is a large deep-sea shark from the Pacific, reported from Japan, Australia and New Zealand to Hawaii and the American west coast from California to Chile. It can grow to about 4 metres and has a heavy, stout body that is grey-brown with black fin margins and a white mouth region. The skin is set with numerous thorn-like denticles. The two dorsal fins are placed far back, behind the pelvic fins, and an anal fin is absent. As a near-bottom deep-sea dweller it hunts fish, other sharks, octopuses and squid. The species is ovoviviparous with large litters. Owing to insufficient data the IUCN lists the species as Data Deficient (DD).

Frequently asked questions

How do you recognise the Prickly shark?

The Prickly shark has an elongate, eel-like body, is mainly brown and shows a plain pattern. Skin covered in thorn-like denticles; two dorsal fins set far back, no anal fin

Where does the Prickly shark live?

The Prickly shark lives in the sea (marine waters) and is mostly found around mixed bottom. Pacific Ocean (deep sea)

How big does the Prickly shark get?

The Prickly shark grows to a maximum of about 400 cm.

Is the Prickly shark dangerous to humans?

No, the Prickly shark 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 Prickly shark edible?

The Prickly shark is rarely eaten.

More photos

Prickly shark (Echinorhinus cookei) — Echinorhinidae — 2
iNaturalist ((c) Jeremy_Jodoin, some rights reserved (CC BY-NC))
Prickly shark (Echinorhinus cookei) — Echinorhinidae — 3
iNaturalist ((c) Jeremy_Jodoin, some rights reserved (CC BY-NC))
Prickly shark (Echinorhinus cookei) — Echinorhinidae — 4
iNaturalist ((c) Jeremy_Jodoin, some rights reserved (CC BY-NC))
Prickly shark (Echinorhinus cookei) — Echinorhinidae — 5
iNaturalist ((c) Lauren Martin, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Prickly shark verified
Scientific name
Echinorhinus cookei
Family
Echinorhinidae
Other names
Prickly shark; Cooks bramble shark verified

Appearance

Size class
Extra large verified
Max length (cm)
400.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Plain sourced
Tail shape
Straight 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
Mixed bottom sourced
Min depth (m)
11.0 verified
Max depth (m)
1100.0 verified
Natural range
Pacific Ocean (deep sea) verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Fishes, other sharks, octopuses and squid sourced
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Nocturnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Ovoviviparous deep-sea shark; present year-round. sourced
Special features
Skin covered in thorn-like denticles; two dorsal fins set far back, no anal fin 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 Echinorhinus

More from the family Echinorhinidae

Fin

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