| Family: |
Pentanchidae (Deepwater catsharks) |
| Max. size: |
37.2 cm TL (male/unsexed); 27.8 cm TL (female) |
| Environment: |
reef-associated; marine; depth range 500 - 742 m |
| Distribution: |
Western Central Pacific: Papua New Guinea. |
| Diagnosis: |
This small and slender species is distinguished by the following characters: head relatively broad; interorbital space 7.2-7.8% TL; pelvic-anal space 12.2-13.0% TL; relatively small anal fin with base length 7.8-8.6% TL; anal-fin posterior margin 5.2-6.3% TL; relatively short prepectoral length, about 18.4-21.5% TL; labial furrows are moderately long, not confined to mouth corners, uppers 2.2-2.9% TL; enlarged denticle crest of upper caudal fin originating anterior to origin of ventral caudal lobe; with denticles on elevated portion of supracaudal crest forming 2-4 central rows of denticles between much larger obliquely positioned lateral rows; subcaudal crest absent; colour of anterior margin of pectoral fins black; anterior half of dorsal fins almost entirely dark or dusky; precaudal centra 83-86 (Ref. 116735). |
| Biology: |
Size vary with 3 juveniles at 20.3-27.1 cm TL, 4 adolescent males at 28.2-37.2 cm TL and a single female 27.8 cm TL (Ref. 116735). |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 21 November 2019 Ref. (130435)
|
| Threat to humans: |
harmless |
| Country info: |
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