Dichichthys bigus

(Séret & Last, 2007)


Beige 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 bigus

Types
Dichichthys bigus

Parmaturus bigus
Holotype: CSIRO: H 947-10;


Description :


Citation: Dichichthys bigus (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 Beige Bristle Shark

Short Description
This scyliorhinid catshark is characterized by the following: a soft body with velvety skin, with small tricuspidate denticles; plain pale yellowish brown coloration; fins yellowish brown with slightly paler edges; dorsal caudal crest well-developed, ventral crest distinct but weak, denticles enlarged on crest; teeth mainly tricuspidate, 120 rows in upper jaw; first dorsal fin slightly behind mid-length, pre-first dorsal length 54.9% TL; pelvic fins slightly forward of mid-length, pre-pelvic length 48.9% TL; vent at middle of body, pre-vent length 50.8% TL; relatively short snout, prenarial length 4.2% TL; short mouth, length 3.6% TL; short labial furrows, lower furrow longer than upper one, 1.7% and 1.2% TL respectively; head is not depressed, the height subequal to its width, with length shorter than abdomen, 19.8% TL; pectoral-pelvic length 25.4% TL; second dorsal fin larger than first, anterior margins of first 5.2% and second 9.3% TL; subterminal caudal lobe relatively small, with subterminal margin length 3.8% TL, terminal margin length 3.6% TL; 47 monospondylous centra; 102 precaudal centra, 144 total centra (Ref. 74543).

Distribution
Western Pacific: Australia. Source: www.gbif.org

Size / Weight / Age
71 cm TL (female)

Habitat
bathydemersal; marine; depth range 590 - 606 m (Ref. 74543)

Remarks
shark-references Species-ID=17261;