Bythaelurus naylori Ebert & Clerkin, 2015
Dusky snout catshark
Bythaelurus naylori
photo by Ebert, D.A.

Family:  Pentanchidae (Deepwater catsharks)
Max. size:  51.1 cm TL (male/unsexed); 54.8 cm TL (female)
Environment:  demersal; marine; depth range 89 - 1443 m
Distribution:  Southwestern Indian Ocean: Southwest Indian Ridge.
Diagnosis:  Vertebrae: 114-128. This moderately-sized species is distinguished by the following set of characters: short snout and 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 is equal to or less than 1.5 times second dorsal-fin base length; upper caudal-fin margin with distinct enlarged dermal denticles; body colouration uniformly plain medium to dark brown, with light fin edges and a distinct dark dusky-colored snout (Ref. 102637)..
Biology:  Collected by bottom trawls and midwater trawls. Maturity size for females at 48.1 cm TL and are immature at 43.0 cm TL, males at 45.2 cm and immature at 38.0 cm TL (Ref. 102637).
IUCN Red List Status: Data deficient (DD); Date assessed: 24 April 2018 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Capuli, Estelita Emily - 06.10.17

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