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Élasmobranches (requins et raies) (sharks and rays) > Carcharhiniformes (Ground sharks) > Triakidae (Houndsharks) > Galeorhininae
Etymology: Hypogaleus: hypo (Gr.), less than, under or beneath, allusion not explained, perhaps alluding to its original position as a subgenus of Galeus. (See ETYFish); hyugaensis: -ensis, Latin suffix denoting place: Hyuga Nada, Japan, type locality. (See ETYFish).

Environment: milieu / climate zone / depth range / distribution range Écologie

marin démersal; profondeur 40 - 230 m (Ref. 244). Deep-water; 37°N - 40°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Indo-West Pacific: East Africa and the Persian Gulf to Taiwan and Japan. Reported from Australia (Ref. 6871).

Length at first maturity / Taille / Poids / Âge

Maturity: L_m ?, range 95 - ? cm
Max length : 127 cm TL mâle / non sexé; (Ref. 244); 122.0 cm TL (female)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 0; Épines anales: 0. Dull grey dorsally, paler below; front part of snout slightly dusky (Ref. 5485).

Inhabits continental shelves (Ref. 244). Feeds on bony fishes and cephalopods (Ref. 6871). Viviparous (Ref. 50449). Utilized as a food fish (Ref. 244).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Viviparous (with a yolk-sac placenta), with 10 or 11 young in a litter (Ref. 244). Size of full-term fetuses about 33 to 35 cm (Ref. 244). Gestation period is estimated at 15 months (Ref. 244). Distinct pairing with embrace (Ref. 205).

Référence principale Upload your references | Références | Coordinateur : Compagno, Leonard J.V. | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 17 February 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless (Ref. 13563)

Utilisations par l'homme

Pêcheries: intérêt commercial mineur

FAO - Publication: search | FishSource |

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Estimates based on models

Preferred temperature (Ref. 123201): 19.9 - 27.7, mean 23.8 °C (based on 194 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00427 (0.00183 - 0.00992), b=3.04 (2.83 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 4.2 ±0.7 se; based on diet studies.

Résilience (Ref. 120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Fec=10; gestation about 15 months).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (76 of 100).

Catégorie de prix (Ref. 80766): High.

Hypogaleus hyugaensis (Miyosi, 1939)