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Smallthorn skate (Bathyraja minispinosa) — Arhynchobatidae

Smallthorn skate

Bathyraja minispinosa

The Smallthorn skate (Bathyraja minispinosa) is a saltwater fish of the family Arhynchobatidae that grows up to 83 cm.

Length
82.5 cm
Water
Saltwater
Depth
150–1,420 m
Body shape
Irregular
Substrate
Sand / mud bottom
Danger
Harmless
Range
Asia: Japan, Kuril Is.

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Description

The Smallthorn skate is a softnose skate (Arhynchobatidae) of the deep continental slope in the northern Pacific. The species has a flattened, diamond-shaped, brown-grey body with a fairly soft snout and rows of thorns over the back and tail. Unlike stingrays it has no venomous spine. As a bottom-dweller of the cold deep water it searches soft bottoms for crustaceans, worms and small fish; it lays eggs in horny capsules. The fish is harmless to humans.

Frequently asked questions

How do you recognise the Smallthorn skate?

The Smallthorn skate has an irregular in shape body and is mainly brown.

Where does the Smallthorn skate live?

The Smallthorn skate lives in the sea (marine waters) and is mostly found around sand or mud bottom. Asia: Japan, Kuril Is.

How big does the Smallthorn skate get?

The Smallthorn skate grows to a maximum of about 83 cm.

Is the Smallthorn skate dangerous to humans?

No, the Smallthorn skate 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.

More photos

Smallthorn skate (Bathyraja minispinosa) — Arhynchobatidae — 2
iNaturalist ((c) Fisheries and Oceans Canada, some rights reserved (CC BY-NC))
Smallthorn skate (Bathyraja minispinosa) — Arhynchobatidae — 3
Fisheries and Oceans Canada (CC BY-NC 4.0) via GBIF — iNaturalist

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All data

Identification

English name
Smallthorn skate sourced
Scientific name
Bathyraja minispinosa
Family
Arhynchobatidae
Other names
Whitebrow skate verified

Appearance

Size class
Extra large verified
Max length (cm)
82.5 verified
Body shape
Irregular sourced
Dominant colour
Brown sourced
Tail shape
Straight

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
150 verified
Max depth (m)
1,420 verified
Natural range
Asia: Japan, Kuril Is. sourced
Origin
Native

Behaviour & biology

Territorial
No
Reproduction
Separate sexes
Sexual dimorphism
No
Seasonality
Present year-round in its habitat; no pronounced seasonality known.

For anglers

Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed.
Regulations source

Safety

Danger to humans
Harmless verified
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 Bathyraja

More from the family Arhynchobatidae

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