Cephaloscyllium cooki

LAST, SÉRET & WHITE, 2008


Cook’s swellshark
Classification: Elasmobranchii Carcharhiniformes Scyliorhinidae

Reference of the original description
LAST, P.R. & SÉRET, B. & WHITE, W.T. (2008)
New swellsharks (Cephaloscyllium: Scyliorhinidae) from the Indo-Australian region. CSIRO Marine and Atmospheric Research Paper, 22: 129–146

Image of the original description

Ventral view of head of Cephaloscyllium cooki sp. nov.: holotype NTM S 13147–022 (adult male 293 mm TL); paratype NTM S 12288–038 (female 286 mm TL). In: LAST, P.R. & SÉRET, B. & WHITE, W.T. (2008): New swellsharks (Cephaloscyllium: Scyliorhinidae) from the Indo-Australian region. CSIRO Marine and Atmospheric Research Paper, 22: 129-146

Types
Cephaloscyllium cooki
Holotype: NTM: S 13147-022 ; Paratype: CSIRO: H 6638-02; MNHN: 2007-1927; MNHN: 2007-1929; MNHN: 2007-1928; NTM: S 13147-016; NTM: S 12288-038;


Description :


Citation: Cephaloscyllium cooki LAST, SÉRET & WHITE, 2008: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 03/2021

Please send your images of "Cephaloscyllium cooki" to info@shark-references.com

Cephaloscyllium cooki sp. nov. holotype (NTM S 13147–022, adult male 293 mm TL): dorsal view; lateral view. In: LAST, P.R. & SÉRET, B. & WHITE, W.T. (2008): New swellsharks (Cephaloscyllium: Scyliorhinidae) from the Indo-Australian region. CSIRO Marine and Atmospheric Research Paper, 22: 129-146
Common names
eng Cook's swellshark

Short Description
This small species has the following set of characters: relatively robust body, head height 10.5-14.2% TL, trunk width 17.1-21.7% TL; origin of first dorsal-fin over the centre or posterior half of pelvic-fin base; prenarial 4.9-5.5% TL in length; preorbital snout length 1.3-1.6 times the prenarial length, 2.5-3.1 in prepectoral length, 5.5-6.6 in prepelvic length; snout-vent length is short, 45.4-49.3% TL; wide nostrils, the width 3.0-3.4% TL; eye-spiracle space wide, 1.0-1.2% TL; small pectoral fin, height 9.4-10.2% TL, posterior margin 8.9-9.8% TL; anal fin low 2.8-3.4% TL; caudal peduncle long, anal-caudal space 6.3-6.9% TL; teeth mainly with 3 cusps near symphysis of upper jaw; mainly weakly tricuspidate are the flank denticles; back without greatly enlarged denticles; very long adult clasper, its outer length to at least 10% TL, almost reaching anal fin, interspace 0.9-1.0% TL; vertebral centra 101-106; tooth count low, 48-62 teeth in each jaw; 8 dark, white-edged saddles on the upper half of body, tail and caudal fin; under-surface mainly uniform greyish, with the snout darkest [3340].

Distribution
Western Pacific: Australia and Indonesia.

Size / Weight / Age
29.5 cm TL (male/unsexed; [3340])

Habitat
benthopelagic; marine; depth range 223 - 300 m [3340]

Remarks
shark-references Species-ID=1302;