Dichichthys albimarginatus

(Séret & Last, 2007)


Whitetip Bristle Shark (eng)
Classification: Elasmobranchii Carcharhiniformes Dichichthyidae

Reference of the original description
Séret, B. & Last, P.R. (2007)
Four new species of deep-water catsharks of the genus Parmaturus (Carcharhiniformes: Scyliorhinidae) from New Caledonia, Indonesia and Australia. Zootaxa, 1657, 23–39

Synonyms / new combinations and misspellings
Parmaturus albimarginatus

Types
Dichichthys albimarginatus

Parmaturus albimarginatus



Description :


Citation: Dichichthys albimarginatus (Séret & Last, 2007): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 12/2024

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Common names
eng Whitetip Bristle Shark

Short Description
This scyliorhinid catshark is characterized by the following: a soft body with velvet-like skin of large tricuspidate denticles; color plain pale to medium brown; posterior margins of the dorsal, caudal and anal-fins are distinctly white-edged; upper and lower anterior caudal fin margins with pronounced caudal crests, the denticles on crests are greatly enlarged; teeth are mainly tricuspidate with greatly elongate median cusps, in 92 rows in both jaws; the first dorsal fin is slightly behind middle of back, the pelvic fins slightly in front of mid-body, prepelvic length 47% TL; vent at mid-length, pre-vent length 50% TL; relatively short snout, prenarial length 3.7% TL; short mouth, length 3.7% TL; short labial furrows, 1.7-2.0% TL, lower furrows subequal in length to upper furrows; head depressed and is shorter than abdomen, length 19.2% TL, pectoral-pelvic length 24.8% TL; second dorsal fin is larger than first, anterior margins of first 8.7% and second dorsal fin 10.4% TL; subterminal caudal lobe relatively small, subterminal margin length 3.3% TL, terminal margin length 3.8% TL; 43 monospondylous centra; 95 precaudal centra, 136 total (Ref. 74543).

Distribution
Western Pacific: New Caledonia.

Size / Weight / Age
57.7 cm TL (male/unsexed; (Ref. 74543))

Habitat
bathydemersal; marine; depth range 590 - 732 m (Ref. 74543)

Remarks
shark-references Species-ID=17260;