Apristurus breviventralis

KAWAUCHI, WEIGMANN & NAKAYA, 2014



Classification: Elasmobranchii Carcharhiniformes Pentanchidae

Reference of the original description
KAWAUCHI, J. & WEIGMANN, S. & NAKAYA, K. (2014)
Apristurus breviventralis, a new species of deep-water catshark (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) from the Gulf of Aden. Zootaxa, 3881 (1): 001–016

Types
Apristurus breviventralis
Holotype: ZMH: 25600; Paratype: HUMZ: 221300; HUMZ: 221301; ZMH: 25601;


Description :


Citation: Apristurus breviventralis KAWAUCHI, WEIGMANN & NAKAYA, 2014: In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 09/2017

Please send your images of "Apristurus breviventralis" to info@shark-references.com

Apristurus breviventralis KAWAUCHI, WEIGMANN & NAKAYA, 2014, holotype, © Dr. Simon Weigmann, Elasmobranch Research Laboratory, Lüneburg

Common names
Shortbelly catshark

Short Description
Orignal diagnosis of KAWAUCHI, WEIGMANN & NAKAYA, 2014 [21664]: A species of the ‘brunneus group’ of Apristurus with: upper labial furrows clearly longer than lower ones; first dorsal fin much smaller than second dorsal fin, originating distinctly posterior to level of pelvic-fin insertion; second dorsal-fin insertion clearly anterior to level of anal-fin insertion; snout moderately long, its tip pointed; pre-outer nostril length slightly greater than internarial width, about 0.6–0.8 times interorbital width; abdomen very short; pectoral-pelvic space much shorter than anal-fin base length; pectoral-fin tip posterior to level of midpoint of pectoral-pelvic space; 17–19 spiral valves; 33–36 monospondylous and 34–38 precaudal diplospondylous vertebrae; small dermal denticles giving a velvety texture to body surface; no enlarged dermal denticles along dorsal margin of caudal fin; claspers without hooks, posterior margin of exorhipidion forming a free lobe; body and fins uniformly medium or dark brown.

Distribution
Off the Socotra Islands, Gulf of Aden [21664]

Size / Weight / Age
males at least 477 mm TL, females unknown (types) [21664]

Habitat
marine; depth range 1000–1120 m [21664]

Dentition
Teeth numerous and small; upper anterior and upper lateral teeth with a long, robust central cusp and one or two short, sharp lateral cusps on each side of the central cusp; lower anterior and lower lateral teeth with a long, robust central cusp and two or three short lateral cusps on each side of the central cusp [21664]