أشلاق (القروش و الشفانين) (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); hiscosellum: hisco (L.), open; sella (L.), saddle, referring to distinctive open-centered saddle-like markings that dominate its color pattern. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مياه عميقة; نطاق العمق 294 - 420 m (Ref. 76949). Subtropical
Eastern Indian Ocean: Australia.
Length at first maturity / الحجم / وزن / العمر
Maturity: Lm 46.0, range 46 - 46.3 cm
Max length : 46.3 cm TL ذكر/ مختلط الجنس; (Ref. 76949); 52.0 cm TL (female)
وصف مختصر
الوصف الخارجي | قياسات المظهر الخارجي
A small species with the following characters: head 8.9-13.1% TL in height, trunk width 12.9-19.1% TL; origin of first dorsal-fin usually over mid pelvic-fin base; prenarial length 4.5-5.2% TL; preorbital snout length 1.4-1.6 times prenarial length, 2.6-3.1 in prepectoral length, 5.9-6.7 in prepelvic length; snout-vent length long, 46.2-51.2% TL; nostril 2.5-3.1% TL in width; eye-spiracle space wide, 0.8-1.2% TL; pectoral fin moderate-sized, height 8.7-12.2% TL, posterior margin length 7.4-11.4% TL; anal fin relatively low, height 2.8-3.7% TL; anal-caudal space 5.4-6.5% TL; precaudal length 76.4-79.2% TL; interdorsal space 7.4-9.6% TL; teeth with 3-5 cusps near symphysis of upper jaw; flank denticles are mainly unicuspidate; back without greatly enlarged denticles; long adult clasper, up to 9.3% TL, reaching anal-fin origin; vertebral centra 100-108; low tooth count, each jaw with teeth between 45 and 63; dorsal surface with a striking pattern of dark brown, open-centered saddles (Ref. 76949).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
White, W.T. and D.A. Ebert, 2008. Cephaloscyllium hiscosellum sp. nov., a new swell shark (Carcharhiniformes: Scyliorhinidae) from Northwestern Australia. pp. 147-157. In P.R. Last, W.T. White and J.J. Pogonoski (eds). Descriptions of new Australian chondrichthyans. CSIRO Marine and Atmospheric Research Paper no. 22. 365 p. (Ref. 76949)
IUCN Red List Status (Ref. 130435)
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