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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); longicaudatus: longus (L.), long; caudatus (L.), tailed, referring to long caudal fin equal to interdorsal distance. (See ETYFish).
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển gần đáy; Mức độ sâu 1 - 18 m (Ref. 93009). Tropical
Western Indian Ocean: Bahrain. Also from Arabian Gulf, the Gulf of Oman, India, and Sri
Lanka (Ref. 93009).
Length at first maturity / Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm 65.0, range 60 - 70 cm
Max length : 48.3 cm OT con đực/không giới tính; (Ref. 28618)
Viviparous (Ref. 50449). Lives in shallow water to 18m depth on the continental shelf (Ref. 93009).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Viviparous, placental (Ref. 50449). Distinct pairing with embrace (Ref. 205).
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)
Threat to humans
Harmless
Human uses
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Estimates based on models
Preferred temperature (Ref.
123201): 25.1 - 29.2, mean 27.3 °C (based on 528 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).
Mức dinh dưỡng (Ref.
69278): 4.2 ±0.6 se; based on size and trophs of closest relatives
Thích nghi nhanh (Ref.
120179): Rất thấp, thời gian nhân đôi của chủng quần tối thiểu là hơn 14 năm (Fec is assumed to be <10).
Fishing Vulnerability (Ref.
59153): High vulnerability (65 of 100).