Description

Differs from its congeners in having a dark purplish brown color at both sides of the body; eyeball as long as the spiracle; interorbital space smooth; clasper with deep cleft (Ref. 75535).

Common Names

Taxonomic Hierarchy

Kingdom: Animalia

Phylum: Chordata

Class: Elasmobranchii

Order: Rajiformes

Family: Arhynchobatidae

Genus: Bathyraja

Species: Bathyraja matsubarai (Ishiyama, 1952)

Climate Zone

Location

• Northwest Pacific: off northern Japan (Ref. 559) and Sea of Okhotsk (Ref. 41724).

Biology

Deep-sea species (Ref. 8630). Small individuals feed on crabs and annelids, while larger ones prey on fish and cephalopods (Ref. 27640). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 10.9-11.3 cm long and 6.5-6.7 cm wide (Ref. 41249, 41253).

Habitat

bathydemersal

Conservation Status

Least Concern

Threat to Humans

Harmless