Elasmobranchii (tubarões e raias) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Scyliorhinidae (Cat sharks) > Scyliorhininae
Etymology: Cephaloscyllium: cephalus, from kephale (Gr.), head, referring to its very broad and depressed head; skylion, Greek for dogfish or small shark (See ETYFish); sarawakense: -ensis, Latin suffix denoting place: Sarawak, Malaysia, type locality (See ETYFish).
Ambiente: milieu / zona climática / intervalo de profundidade / gama de distribuição
Ecologia
marinhas bentopelágico; intervalo de profundidade 100 - 200 m (Ref. 94801). Subtropical
Pacific Ocean: South China Sea (western south Taiwan, Hong Kong, Gulf of Tongking, Vietnam, Malaysia).
Comprimento na primeira maturidade / Tamanho / Peso / Idade
Maturidade: Lm 37.5, range 35 - 40 cm
Max length : 39.7 cm TL macho/indeterminado; (Ref. 75582); 44.1 cm TL (female)
Descrição breve
Chaves de identificação | Morfologia | Morfometria
This small-sized shark is distinguished by the following characters: adults with two distinct and wide brown saddle blotches before first dorsal fin while juveniles with 3; first saddle immediately behind eye, second over posterior 1/3 of base and inner margin of pectoral fin, the third a little before first dorsal fin, which fades with growth; dark lateral circular to oblong blotches above gill openings and on lateral side of trunk; young individuals with many polka dots on body and fins; anterior nasal flap triangular without an elongate flap (Ref. 98601).
Body shape (shape guide): elongated; Cross section: angular.
All specimens were collected by trawl nets near the edge of the continental shelf (Ref. 75538).
Ciclo de vida e comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Yano, K., A. Ahmad, A.C. Gambang, A.H. Idris, A.R. Solahuddin and Z. Aznan, 2005. Sharks and rays of Malaysia and Brunei, Darussalam. SEAFDEC-MFRDMD/SP/12. Kuala Terengganu. Sharks and Rays Malaysia and Brunei:557 pp. (Ref. 75538)
Categoria na Lista Vermelha da IUCN (Ref. 130435: Version 2025-2 (Global))
Ameaça para o homem
Harmless
Utilização humana
Pescarias: bycatch
Ferramentas
Relatórios especiais
Descarregue XML
Fontes da internet
Estimativas baseadas em modelos
Temperatura preferida (Ref.
123201): 17.5 - 23.6, mean 20.2 °C (based on 66 cells).
Índice de diversidade filogenética (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00269 (0.00140 - 0.00518), b=3.21 (3.04 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Nível Trófico (Ref.
69278): 4.0 ±0.5 se; based on size and trophs of closest relatives
Resiliência (Ref.
120179): Baixo, tempo mínimo de duplicação da população 4,5 - 14 anos (Preliminary low fecundity).
Vulnerabilidade da pesca (Ref.
59153): Low to moderate vulnerability (34 of 100).
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