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Narcetes shonanmaruae Poulsen, Ida, Kawato & Fujiwara, 2021 Yokozuna Slickhead |
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photo by
Fujiwara, Y. |
| Family: | Alepocephalidae (Slickheads) | |||
| Max. size: | 121 cm SL (female); max.weight: 25 kg | |||
| Environment: | bathypelagic; marine; depth range 2171 - 2572 m | |||
| Distribution: | Northwest Pacific: Japan. | |||
| Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 14-14; Anal spines: 0-0; Anal soft rays: 11-12. This species is distinguished by the following characters: anal fn is entirely behind the dorsal fin; multiserial teeth on premaxillary, maxillary, and dentary; predorsal scale rows > 70; longitudinal scale rows > 110; dorsal to lateral line scale row > 15; anal to lateral line scale rows > 17; branchiostegal rays 7; dorsal-fn rays < 15; precaudal vertebrae < 30; epurals 2; the lengths of head, snout, upper and lower jaws, orbit diameter, dorsal and anal fn bases are relatively short against standard length (Ref. 123515). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||