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Gonorynchiformes (Milkfishes) >
Gonorynchidae (Beaked salmons)
Etymology: Gonorynchus: Greek, gonia (γονια) = angle, corner + Greek, rhyngchos (or rhúnkhos - ῥύγχος) = snout (Ref. 45335).
More on author: Linnaeus.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 0 - 200 m (Ref. 5755). Tropical; 15°S -
Southeast Atlantic: off southern Africa from the Skeleton Coast, Namibia round Cape of Good Hope to Natal, South Africa. Reported from Mozambique (Ref. 5213). Apart from the St. Helena, it has not been recorded elsewhere in the Atlantic. Western Pacific: Japan (Ref. 559), Chesterfield Islands (Ref. 11897), southern Australia and New Zealand (Ref. 4537). Eastern Pacific: Chile (Ref. 3975).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 60.0 cm TL mâle / non sexé; (Ref. 5288); common length : 55.0 cm NG mâle / non sexé; (Ref. 5755)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 11 - 12; Épines anales: 0; Rayons mous anaux: 8 - 9; Vertèbres: 62 - 63. Inside of mouth and gills purplish (Ref. 3975). Lower lip of mouth with elongated forked papillae.
Inhabits sandy bottoms along the shoreline (Ref. 5213) to depths of 200 m (Ref. 5755). Nocturnal, found buried in sand or mud during the day (Ref. 5755). Feeds on benthic and burrowing invertebrates (Ref. 5755). Pelagic young preyed upon by seabirds or found ashore during bad weather (Ref. 3975). Marketed fresh (Ref. 3411).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Whitehead, P.J.P., 1984. Gonorhynchidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean fishing area 51. Vol. 2. [pag. var.] FAO, Rome. (Ref. 3411)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
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Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 14 - 25.4, mean 17.4 °C (based on 324 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.3 ±0.5 se; based on diet studies.
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).