Bythaelurus naylori

Ebert & Clerkin, 2015

Classification: Elasmobranchii Carcharhiniformes Pentanchidae

Reference of the original description
Ebert, D.A. & Clerkin, P.J. (2015)
A new species of deep-sea catshark (Scyliorhinidae: Bythaelurus) from the southwestern Indian Ocean. Journal of the Ocean Science Foundation, 15, 53–63

Bythaelurus naylori
Holotype: CAS: 237869; Paratype: CAS: 237870; CAS: 237872; CAS: 237873; CAS: 237941; CAS: 237942; CAS: 237943; CAS: 237944; CAS: 238013; CAS: 238070; CAS: 238071; ISAM: MB F041239; SAIAB: 200728; SAIAB: 200729; USNM: 432400; USNM: 432401;

Images of types

Description :

Citation: Bythaelurus naylori Ebert & Clerkin, 2015: In: Database of modern sharks, rays and chimaeras,, World Wide Web electronic publication, Version 07/2024

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Bythaelurus naylori Ebert & Clerkin, 2015 © Natalie Renier
Common names
eng Dusky Snout Catshark

Short Description
Orignal diagnosis of EBERT & CLERKIN, 2015 [22755]: A moderate-sized Bythaelurus species with the following combination of characteristics: snout short, bluntly rounded; preoral length 4.2–5.5% TL; oral cavity without papillae on the roof of the mouth and tongue; anal-fin base length equal to or less than 1.5 times second dorsal-fin base length; distinctly enlarged dermal denticles on the upper caudal-fin margin; uniformly plain medium to dark brown body coloration, with light fin edges and a distinct dark dusky-colored snout.

Southwest Indian Ridge, southwestern Indian Ocean in an area approximately from 33° 55’S, 52° 05’E to 36° 49’S, 55° 16’E [22755]

Size / Weight / Age
54.8 cm (females), 51.1 cm (males) (types) [22755]

marine; depth range 89–1443 m [22755]

Teeth similar in upper and lower jaws, with a single, strong erect cusp, flanked laterally on each side by a single cusplet; tooth row counts number more than 70 on each jaw[22755]

shark-references Species-ID=14392;