Elasmobranchii (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Pentanchidae (Deepwater catsharks)
Etymology: Bythaelurus: bythos (Gr.), depths of the sea, referring to its deepwater habitat; ailouros (Gr.), cat, probably an allusion to the vernacular “catshark,” so named for its cat-like eyes (See ETYFish); clevai: In honor of Régis Cléva, biologist, Muséum national d’Histoire naturelle (Paris), who collected holotype (See ETYFish).
Eponymy: Dr Régis Cléva is a zoologist at Muséum Nationale d’Histoire Naturelle, Paris. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; bathydemersal; depth range 425 - 500 m (Ref. 26282). Deep-water
Western Indian Ocean: off Madagascar.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 38.6 cm TL male/unsexed; (Ref. 4517)
Holotype taken from 425-500 m depth (Ref. 26282).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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