ইলাসমোব্রাঙ্কি (হাঙ্গর এবং রে) (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
বাস্তুসংস্থান
সামুদ্রিক সমুদ্রবক্ষে ভাসমান (ব্যথিপেলাজিক); গভীরতার পরিসীমা 294 - 420 m (Ref. 76949). Subtropical
Eastern Indian Ocean: Australia.
Length at first maturity / আকৃতি / ওজন / Age
Maturity: Lm 46.0, range 46 - 46.3 cm
Max length : 46.3 cm TL পুরুষ/ লিঙ্গ অনিধর্ারিত ; (Ref. 76949); 52.0 cm TL (female)
Short description
সনাক্তকারী নির্দেশক | বহিঃ অঙ্গ সংস্থান | মরফোমেট্রিক্স
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
Maturities | প্রজনন | Spawnings | Egg(s) | Fecundities | শুককীট
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)
Threat to humans
Harmless
Human uses
হাতিয়ার
Special reports
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ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature (Ref.
123201): 7.7 - 12.5, mean 11.8 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00263 (0.00139 - 0.00497), b=3.21 (3.04 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
ট্রফিক পর্যায়ে (Ref.
69278): 4.0 ±0.5 se; based on size and trophs of closest relatives
স্থিতিস্থাপক (Ref.
120179): নিম্ন/ , সর্বনিম্ন প্রজন দ্বিগুনের সময় ৪.৪-১৪ বৎসর (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (41 of 100).
