أشلاق (القروش و الشفانين) (sharks and rays) >
Orectolobiformes (Carpet sharks) >
Hemiscylliidae (Bamboo sharks)
Etymology: Hemiscyllium: hemi-, from hemisys (Gr.), half, presumably referring to similarity and/ or close affinity to Scyllium (=Scyliorhinus, now in Scyliorhinidae) and/or Chiloscyllium; skylion, Greek for dogfish or small shark (See ETYFish); freycineti: In honor of French Navy officer Louis de Freycinet (1779-1841), commander of the expedition during which holotype was collected (See ETYFish).
Eponymy: Captain Louis Claude de Saules de Freycinet (1779–1841) was a French navigator who was involved in mapping the Western Australian coast (1803). [...] (Ref. 128868), visit book page.
More on authors: Quoy & Gaimard.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب; نطاق العمق 0 - 12 m (Ref. 90102). Tropical; 0°S - 10°S, 128°E - 153°E
Western Pacific: Irian Jaya, Waigeo (Indonesia) and Papua New Guinea.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 72.0 cm TL ذكر/ مختلط الجنس; (Ref. 90102)
الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0. Caudal fin with a pronounced subterminal notch but without a ventral lobe (Ref. 13575). Black spot behind gills small, not in the form of a conspicuous ocellus (Ref. 13575).
A little-known bottom shark, probably common on coral reefs (Ref. 247); tide pools and sea grass beds in 0-12 m (Ref. 90102). Oviparous (Ref. 50449).
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: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 27.9 - 29.1, mean 28.6 °C (based on 14 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5020 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00398 (0.00176 - 0.00901), b=3.09 (2.89 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.3 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): Moderate to high vulnerability (49 of 100).
