أشلاق (القروش و الشفانين) (sharks and rays) >
Carcharhiniformes (Ground sharks) >
Hemigaleidae (Weasel sharks)
Etymology: Paragaleus: para (Gr.), near, referring to how its dentition is intermediate between Hemigaleus and the triakid Eugaleus (=Galeorhinus). (See ETYFish); tengi: In honor of Teng Huo-Tu (1911-1978), Director, Taiwan Fisheries Research Institute, and authority on Taiwanese elasmobranch fishes. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
البيئة
بحري القاع. Tropical; 34°N - 15°N
Western Pacific: Japan to Viet Nam, including Hong Kong and Taiwan. Report of a record from off Madagascar may be an undescribed Paragaleus which has just recently been collected.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 88.0 cm TL ذكر/ مختلط الجنس; (Ref. 244)
الأشواك الظهرية (المجموع) : 0; شوكة شرجية: 0. Grey or grey-brown above, light below; no prominent markings on body and fins (Ref. 13567).
A little-known inshore shark (Ref. 13567). Viviparous (Ref. 50449). Taken in fisheries where it occurs (Ref. 13567).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
Viviparous, placental (Ref. 50449). Distinct pairing with embrace (Ref. 205).
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 2 - Carcharhiniformes. FAO Fish. Synop. 125(4/2):251-655. Rome: FAO. (Ref. 244)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
مصائد: غير مهمة تجارياً
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Preferred temperature (Ref.
123201): 21.5 - 26.9, mean 24.7 °C (based on 164 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5664 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00363 (0.00147 - 0.00899), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 4.2 ±0.6 se; based on size and trophs of closest relatives
المرونه (Ref.
120179): منخفظ جدا, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أكثر من 14 سنة (Fec is assumed to be <10).
Fishing Vulnerability (Ref.
59153): High vulnerability (55 of 100).
Nutrients (Ref.
124155): Calcium = 33.9 [5.5, 192.1] mg/100g; Iron = 0.731 [0.184, 2.180] mg/100g; Protein = 19 [17, 21] %; Omega3 = 0.106 [0.043, 0.251] g/100g; Selenium = 37.8 [11.6, 121.9] μg/100g; VitaminA = 28.3 [8.8, 91.8] μg/100g; Zinc = 0.848 [0.399, 1.545] mg/100g (wet weight);
