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Black-spotted cat shark (Halaelurus buergeri) — Scyliorhinidae

Black-spotted cat shark

Halaelurus buergeri
LC · Least Concern

The Black-spotted cat shark (Halaelurus buergeri) is a saltwater fish of the family Scyliorhinidae that grows up to 49 cm.

Length
49 cm
Water
Saltwater
Depth
80.0–100.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Elongated (eel-like)
Substrate
Sand / mud bottom
Danger
Harmless
Range
Northwest Pacific
Edibility
Rarely eaten

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Description

The blackspotted catshark is a small catshark from the northwest Pacific, along Japan, Korea, China and Taiwan. The species grows to about 49 cm and has a slender, light brown body densely covered with small black spots, and a slightly upturned snout tip. As a bottom-dweller it lives on the continental shelf and lays eggs in horny capsules, sometimes several at a time. It hunts small fish and invertebrates. The fish is harmless to humans and is assessed as Least Concern (LC) by the IUCN.

Frequently asked questions

How do you recognise the Black-spotted cat shark?

The Black-spotted cat shark has an elongate, eel-like body, is mainly brown and shows a spots pattern. Densely scattered with black spots; lays eggs in horny cases

Where does the Black-spotted cat shark live?

The Black-spotted cat shark lives in the sea (marine waters) and is mostly found around sand or mud bottom. Northwest Pacific

How big does the Black-spotted cat shark get?

The Black-spotted cat shark grows to a maximum of about 49 cm.

Is the Black-spotted cat shark dangerous to humans?

No, the Black-spotted cat 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 Black-spotted cat shark edible?

The Black-spotted cat shark is rarely eaten.

More photos

Black-spotted cat shark (Halaelurus buergeri) — Scyliorhinidae — 2
Wikimedia Commons — Tassapon KRAJANGDARA and Reangchai SUJITTOSAKUL (CC BY 3.0)
Black-spotted cat shark (Halaelurus buergeri) — Scyliorhinidae — 3
iNaturalist (no rights reserved)
Black-spotted cat shark (Halaelurus buergeri) — Scyliorhinidae — 4
iNaturalist ((c) JIN Pin-Tsen, some rights reserved (CC BY-NC))
Black-spotted cat shark (Halaelurus buergeri) — Scyliorhinidae — 5
iNaturalist ((c) Future, some rights reserved (CC BY-NC))
Fin

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All data

Identification

English name
Black-spotted cat shark verified
Scientific name
Halaelurus buergeri
Family
Scyliorhinidae
Other names
Blackspotted catshark; Blackspotted dogfish; Darkspot cat shark; Darkspot catshark; Nagasaki cat shark verified

Appearance

Size class
Large verified
Max length (cm)
49.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Brown inferred
Pattern
Spots sourced
Tail shape
Straight inferred
Mouth position
Terminal 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)
80.0 verified
Max depth (m)
100.0 verified
Natural range
Northwest Pacific verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small fishes and invertebrates inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Bottom-dwelling catshark; present year-round. sourced
Special features
Densely scattered with black spots; lays eggs in horny cases 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 Halaelurus

More from the family Scyliorhinidae

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