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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Polyamblyodon: Greek, poly = a lot of + Greek, amblys = blunt + Greek, odous = teeth (Ref. 45335).
More on author: Barnard.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 40 - 80 m (Ref. 3507). Subtropical
Western Indian Ocean: Delagoa Bay, Mozambique to East London, South Africa.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 45.0 cm TL mâle / non sexé; (Ref. 3198)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 11 - 12; Épines anales: 3; Rayons mous anaux: 10 - 11. Grey-blue to bronzy, lighter below; forehead, cheeks and fins darker.
Caught in deeper water. Feeds on crustaceans, small mollusks and algae. Rarely caught by line fishers. Flesh excellent.
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Smith, J.L.B. and M.M. Smith, 1986. Sparidae. p. 580-594. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 3198)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-2)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 18.7 - 23.9, mean 23.3 °C (based on 5 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00609 - 0.02604), b=3.03 (2.86 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.1 ±0.42 se; based on food items.
Résilience (Ref.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).
