أشلاق (القروش و الشفانين) (sharks and rays) >
Orectolobiformes (Carpet sharks) >
Parascylliidae (Collared carpet sharks)
Etymology: Cirrhoscyllium: cirrus, Latin for curl or tendril, referring to barbels on throat; skylion, Greek for dogfish or small shark (See ETYFish); expolitum: Latin for varnished, referring to how the shark’s body, when dry, “glistens as though varnished, owing to the peculiar character of the dermal denticles” (See ETYFish).
More on authors: Smith & Radcliffe.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع; نطاق العمق 180 - 190 m (Ref. 43278). Deep-water; 23°N - 10°N, 105°E - 125°E
Western Pacific: South China Sea off China to the Philippines (Luzon). Gulf of Tonkin, Vietnam and Japan (off the Tanegashima Islands).
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 34.0 cm TL ذكر/ مختلط الجنس; (Ref. 247)
الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0. Genus: pair of barbels on throat; color pattern of dark saddles, no light or dark spots (Ref. 43278).
Species: Six or possibly ten diffuse saddle marks on dorsal surface, saddles above abdomen rounded and continuing above pelvic-fin bases, not C-shaped, head length three times first dorsal-fin base (Ref. 43278). Gill region without collar marking (Ref. 13572).
Found on the continental shelf, offshore on or near the bottom (Ref. 247). Food habits unknown (Ref. 13572). Oviparous (Ref. 43278, 50449). Interest to fisheries unknown (Ref. 13572). Probably taken as discarded by-catch of offshore trawl fisheries in the area (Ref. 43278).
Life cycle and mating behavior
النضج | التكاثر | وضع البيض | بيض | الخصوبة | Larvae
Oviparous, paired eggs are laid. Embryos feed solely on yolk (Ref. 50449).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
IUCN Red List Status (Ref. 130435: Version 2024-1)
استخدامات بشرية
مصائد:
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 8.5 - 21.9, mean 13.1 °C (based on 71 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6289 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفض, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 4.5-14 سنة (Fec assumed to be <100).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
