Family: |
Pentanchidae (Deepwater catsharks) |
Max. size: |
54.8 cm TL (male/unsexed) |
Environment: |
bathydemersal; marine; depth range 170 - 190 m |
Distribution: |
Eastern Indian Ocean: Indonesia (Sumbawa I.); possibly be more widespread in the region. |
Diagnosis: |
This moderate-sized species is distinguished by the following characters: slender body has soft-velvety skin, where dermal denticles on side and upper body are tricuspidate; coloration of body uniformly plain medium brown; head slightly depressed; snout is relatively short; mouth curved, the upper and lower labial furrows are conspicuous with the uppers and lowers of equal lengths; roof of mouth blackish with darker pores; teeth are mainly tricuspidate with greatly elongate median cusps, about 50 rows in both jaws; origin of the first dorsal fin is posterior to the insertion of the pelvic fins, pre-first dorsal fin is slightly posterior of body mid-length; origin of the second dorsal fin is posterior to mid-length of anal fin base; pelvic fins origin and vent are slightly posterior to midlength; second dorsal fin is slightly larger than first; caudal peduncle is relatively short, pronounced caudal crests on upper and lower anterior caudal fin margins has enlarged denticles; vertebral counts monospondylous centra 42, precaudal centra 90 (Ref. 119153). |
Biology: |
|
IUCN Red List Status: |
Data deficient (DD); Date assessed: 22 November 2019 Ref. (130435)
|
Threat to humans: |
harmless |
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