(كوسه ها و سپرماهيان) (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).
Environment: milieu / climate zone / depth range / distribution range
بوم شناسي
دريايي موجوداتی که در محدوده وسیعی از آبهای آزاد از نزدیک بستر و یا روی کف بستر، در قسمت های میان آبی تا سطح آب و در برخی گونه ها با قابلیت پرواز، زندگی و تغذیه می کنند.; تغييرات عمق 100 - 200 m (Ref. 94801). Subtropical
Pacific Ocean: South China Sea (western south Taiwan, Hong Kong, Gulf of Tongking, Vietnam, Malaysia).
Length at first maturity / Size / Weight / سن
Maturity: Lm 37.5, range 35 - 40 cm
Max length : 39.7 cm TL جنس نر / بدون خواص جنسي; (Ref. 75582); 44.1 cm TL (female)
توصيف مختصر
كليدهاي شناسايي | ريخت شناسي | ريخت ستجي بوسيله انداره گيري
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).
All specimens were collected by trawl nets near the edge of the continental shelf (Ref. 75538).
Life cycle and mating behavior
Maturities | تولید مثل | Spawnings | Egg(s) | Fecundities | توزاد ( لارو)
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)
وضعيت در فهرست قرمز IUCN (Ref. 130435)
خطر برای انسان ها
Harmless
استفاده انسانی
ابزارها
گزارش های ويژه
بارگيری XML
منابع اينترنتي
Estimates based on models
Preferred temperature (Ref.
123201): 17.5 - 23.6, mean 20.2 °C (based on 66 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).
Trophic level (Ref.
69278): 4.0 ±0.5 se; based on size and trophs of closest relatives
جهندگی (Ref.
120179): پايين ، كم, كمينه زمان لازم براي دو برابر شدن جمعيت 5/4 – 14 سال (Preliminary low fecundity).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (34 of 100).
