أشلاق (القروش و الشفانين) (sharks and rays) >
Orectolobiformes (Carpet sharks) >
Ginglymostomatidae (Nurse sharks)
Etymology: Pseudoginglymostoma: Pseudoginglymostoma brevicaudatum (Günther 1867). (See ETYFish); brevicaudatum: Brevis (L.), short; caudatus (L.), tailed, referring to caudal fin being less than ¼ of total length. (See ETYFish).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري مرتبطة بالشعاب. Tropical; 0°S - 27°S, 38°E - 58°E
Western Indian Ocean: East Africa, and possibly Mauritius and Seychelles.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 75.0 cm TL ذكر/ مختلط الجنس; (Ref. 247)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
Dark brown dorsally, slightly paler ventrally (Ref. 391).
A little-known inshore bottom shark of the continental and insular shelves. Well adapted to lie amongst coral reefs due to its tough skin (Ref. 391); depth data not available (Ref. 43278). Breeding and feeding habits are unknown. Presumably oviparous (Ref. 50449). Survives for many hours out of water (Ref. 391).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Probably oviparous (Ref. 50449).
Compagno, L.J.V., 1999. Checklist of living elasmobranchs. p. 471-498. In W.C. Hamlett (ed.) Sharks, skates, and rays: the biology of elasmobranch fishes. Johns Hopkins University Press, Maryland. (Ref. 35766)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: مصائد تستهلك محلينا
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00417 (0.00157 - 0.01110), b=3.08 (2.85 - 3.31), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.8 ±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 (50 of 100).