Bathyraja caeluronigricans Ishiyama & Ishihara, 1977
Purple-black skate
Bathyraja caeluronigricans
photo by Ishihara, H.

Family:  Arhynchobatidae (Softnose skates)
Max. size:  74.4 cm WD (male/unsexed); 72.2 cm WD (female)
Environment:  demersal; marine; depth range 200 - 400 m
Distribution:  Northwest Pacific: north of TĂ´hoku, Japan to the Sea of Okhotsk.
Diagnosis:  This species is distinguished from its congeners in Bathyraja in having a dark purplish brown color on both sides of the body; the spiracle is longer than eyeball and with deep concavity at their anterior part; clasper with a deep cleft; dense silky fibers cover the egg capsule (Ref. 75535).
Biology:  Oviparous (Ref. 50449). Eggs have horn-like projections on the shell (Ref. 205).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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