Family: |
Etmopteridae (Lantern sharks) |
Max. size: |
45.3 cm TL (male/unsexed); 41.4 cm TL (female) |
Environment: |
bathydemersal; marine; depth range 668 - 1170 m |
Distribution: |
Western Pacific: Norfolk Ridge and Lord Howe Ridge off New Caledonia. |
Diagnosis: |
Body cigar-shaped; deep head conical with a short bulbous snout; preoral length 7.3-8.2 % TL. Eye almost round with a small opalescent lunate patch on upper eyelid margin. Pectoral fins small, rear tip about cornea diameter in front of D2 origin. Dorsal and ventral coloration dark; white conspicuous pineal blotch small and triangular. Caudal peduncle short (14.8-16.6% TL). Upper teeth of mature males usually with 7 cusps, others 9-11, in separated rows; central cusps greatly expanded, about 2 times longer than those adjacent. Denticles small, with a single erected, slightly curved cusps, arranged in irregular rows. Anterior branch of pelvic marking long and slender, posterior branch truncated. Precaudal marking with very long finger-like extensions reaching to central caudal fin. Monospondylous centra 46-47 (Ref. 45056). |
Biology: |
Ovoviviparous (Ref. 205). |
IUCN Red List Status: |
Least Concern (LC); Date assessed: 19 June 2017 Ref. (130435)
|
Threat to humans: |
harmless |
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