Cephaloscyllium zebrum

LAST & WHITE, 2008


Narrowbar swellshark
Classification: Elasmobranchii Carcharhiniformes Scyliorhinidae

Reference of the original description
LAST, P.R. & WHITE, W.T. (2008)
Two new saddled swellsharks (Cephaloscyllium: Scyliorhinidae) from eastern Australia. CSIRO Marine and Atmospheric Research Paper, 22: 159–170

Image of the original description

Ventral view of head of Cephaloscyllium zebrum sp. nov.: holotype CSIRO H 1323–02 (adult male 445 mm TL); paratype CSIRO H 1323–03 (female 435 mm TL). In: LAST, P.R. & WHITE, W.T. (2008): Two new saddled swellsharks (Cephaloscyllium: Scyliorhinidae) from eastern Australia. CSIRO Marine and Atmospheric Research Paper, 22: 159-170

Types
Cephaloscyllium zebrum
Holotype: CSIRO: H 1323-02; Paratype: CSIRO: H 1323-03;


Description :


Citation: Cephaloscyllium zebrum LAST & WHITE, 2008: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 01/2021

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Cephaloscyllium zebrum sp. nov. holotype (CSIRO H 1323–02, adult male 445 mm TL): dorsal view (preserved); lateral view (fresh).In: LAST, P.R. & WHITE, W.T. (2008): Two new saddled swellsharks (Cephaloscyllium: Scyliorhinidae) from eastern Australia. CSIRO Marine and Atmospheric Research Paper, 22: 159-170
Common names
eng Narrowbar swellshark

Short Description
A small species with the following set of characters: head 10.2-11.1% TL in height, trunk narrow, its width 14.7-15.7% TL; origin of first dorsal-fin slightly behind mid pelvic-fin base; prenarial 4.4-4.8% TL in length; preorbital snout length is 1.5 times prenarial length, 2.8-2.9 in prepectoral length, about 6.3 in prepelvic length; snout-vent, 49.4-50.3% TL in length; nostril 2.2-2.4% TL in width; eye-spiracle space is wide, 1.1-1.3% TL; height of pectoral fin 11.3-12.1% TL, posterior margin length 10.6-11.6% TL; height of anal fin 3.2-3.3% TL; anal-caudal space about 5.4% TL; precaudal length 75-76% TL; interdorsal space 6.2-7.7% TL; flank denticles are unicuspidate or weakly tricuspidate; back with no greatly enlarged denticles; adult clasper is long, up to 8.2% TL, almost reaching anal fin, interspace about 3.9 in anal-fin base; vertebral centra 110-111; upper half is pale with 31-34 narrow, saddle-like bars on body and tail; broad interspaces between bars, about 1.5 times width of adjacent bar; no large blotches [3342].

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

Size / Weight / Age
44.5 cm TL (male/unsexed; [3342]); 43.5 cm TL (female)

Habitat
bathypelagic; marine; depth range 444 - 454 m [3342]

Remarks
shark-references Species-ID=1321; teeth often with 3-5 cusps near symphysis of upper jaw; flank denticles are unicuspidate or weakly tricuspidatelow; tooth count, each jaw with 59-62 teeth; [3342].