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Bathyraja caeluronigricans Ishiyama & Ishihara, 1977 Purple-black skate |
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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 Tôhoku, 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 | |||