Asymbolus occiduus


Western spotted catshark
Classification: Elasmobranchii Carcharhiniformes Pentanchinae

Reference of the original description
LAST, P.R. & GOMON, M.F. & GLEDHILL, D.C. (1999)
Australian spotted catsharks of the genus Asymbolus (Carcharhiniformes: Scyliorphinidae). Part 2: descriptions of three new, dark-spotted species. CSIRO Marine Laboratories, Report, 239: 19–35

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Asymbolus occiduus
Holotype: CSIRO: H 2263-02; Paratype: CSIRO: H 2620-01; CSIRO: H 2613-01; CSIRO: CA 3333; CSIRO: CA 3334; CSIRO: CA 3332; CSIRO: CA 3331; CSIRO: T 500; CSIRO: H 2620-03; CSIRO: H 2620-02;

Description :

Citation: Asymbolus occiduus LAST, GOMON & GLEDHILL, 1999: In: Database of modern sharks, rays and chimaeras,, World Wide Web electronic publication, Version 05/2017

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Common names
eng Spotted cat shark, eng Western spotted catshark

Short Description
Medium-sized body pale, yellowish green with 8 or 9 pale brownish saddles on the upper surface and sides; covered with sharply defined, brownish black spots; prominent dark spot usually beneath each eye and a single spot on dorsal midline between each saddle; trunk narrow; head relatively short. Caudal fin long, peduncle deep; dorsal and pelvic fins low; anal-fin base longer than pelvic-anal space. Teeth ridged, 5 main cusps. Monospondylous centra 37-41. Posterior margin of first dorsal fin 0.61-0.77 times its base (Ref. 36718).

Eastern Indian Ocean: Southwestern Australia. Source:

Oviparous, paired eggs are laid. Embryos feed solely on yolk [733]. Occurs on the continental shelf and slope (Ref. 75154).

Size / Weight / Age
60.1 cm TL (male/unsexed; (Ref. 36712)); 53 cm TL (female)

pelagic-oceanic; marine; depth range 98 - 400 m (Ref. 36718)