Bythaelurus lutarius

(Springer & D'Aubrey, 1972)


Mud catshark
Classification: Elasmobranchii Carcharhiniformes Pentanchidae

Reference of the original description
Springer, S. & d'Aubrey, J.D. (1972)
Two new Scyliorhinid sharks from the east coast of Africa, with notes on related species. Investigational Report Oceanographic Research Institute, 29, 1–19

Image of the original description
Image in copyright.

Synonyms / new combinations and misspellings
Halaelurus lutarius

Types
Bythaelurus lutarius
Holotype: USNM: 205135; Paratype: USNM: 221660;


Description :


Citation: Bythaelurus lutarius (Springer & D'Aubrey, 1972): In: Database of modern sharks, rays and chimaeras, www.shark-references.com, World Wide Web electronic publication, Version 07/2025

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Bythaelurus lutarius (Springer & D'Aubrey, 1972), © FAO, www.fish-base.org
Common names
spa Pejegato fanguero, fra \(T\) Holbiche des vases, eng Brown catshark, eng Mud cat shark, eng Mud catshark, por Pata-roxa de lodo

Short Description
A slender, dwarf catshark with a moderately long snout and short labial furrows; caudal fin without crest of enlarged denticles [536]. Dull grey-brown, paler ventrally, with few poorly defined dorsal saddles that may be visible (Ref. 5510).

Distribution
Western Indian Ocean: off Mozambique [536] and Somalia.

Human uses
fisheries: of no interest

Biology
Ovoviviparous, with 2 pups per litter (Ref. 5510). Found on the continental slope on or just above muddy substrates. Feeds on cephalopods, small bony fishes, and crustaceans

Size / Weight / Age
34.0 cm TL (male/unsexed; [517]); 39 cm TL (female)

Habitat
bathydemersal; marine; depth range 338 - 766 m (Ref. 5510)

Remarks
shark-references Species-ID=657;