Elasmobranquios (tiburones y rayas) (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).
Eponymy: Dr Teng Huo-Tu (1911–1978) was a Taiwanese ichthyologist. [...] (Ref. 128868), visit book page.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino demersal. 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.
Tamaño / Peso / Edad
Madurez: Lm ?  range ? - ? cm
Max length : 88.0 cm TL macho / no sexado; (Ref. 244)
Espinas dorsales (total) : 0; Espinas anales: 0. Grey or grey-brown above, light below; no prominent markings on body and fins (Ref. 13567).
Body shape (shape guide): elongated.
A little-known inshore shark (Ref. 13567). Viviparous (Ref. 50449). Taken in fisheries where it occurs (Ref. 13567).
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
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)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Usos humanos
Pesquerías: escaso valor comercial
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Índice de diversidad filogenética (Referencia 82804) |
PD50 = 0.5664 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00309 (0.00129 - 0.00738), b=3.07 (2.86 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Nivel trófico (Referencia 69278) |
4.2 ±0.6 se; based on size and trophs of closest relatives |
Resiliencia (Referencia 120179) |
Muy bajo, población duplicada en un tiempo mínimo superior a 14 años (Fec is assumed to be <10). |
Vulnerabilidad pesquera (Ref. 59153) |
Moderate vulnerability (37 of 100). 🛈 |
Categoría de precios (Ref. 80766) |
Unknown.
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Nutrientes (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); |