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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Gymnocrotaphus: Greek, gymnos = naked + Greek, krotaphos = front, head (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin démersal; profondeur 1 - 80 m (Ref. 3198). Subtropical
Southeast Atlantic: endemic to South Africa, from the Cape to Durban.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm TL mâle / non sexé; (Ref. 3198)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 10; Rayons mous dorsaux (Total) : 11 - 12; Épines anales: 3; Rayons mous anaux: 9 - 10. Eyes deep blue; the brown of live specimens fades quickly, leaving orange lines along the scale rows; sometimes with narrow dark crossbars (Ref. 3198).
Occurs mostly in shallow rocky areas, but also found down to 80 m. Flesh excellent.
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | 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)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 18 - 27.5, mean 25.8 °C (based on 84 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00609 - 0.02604), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (40 of 100).
Nutrients (Ref.
124155): Calcium = 75.9 [42.9, 144.0] mg/100g; Iron = 1.06 [0.60, 1.87] mg/100g; Protein = 19.6 [18.8, 20.5] %; Omega3 = 0.365 [0.256, 0.552] g/100g; Selenium = 24.8 [12.4, 46.9] μg/100g; VitaminA = 12.6 [3.8, 35.9] μg/100g; Zinc = 0.74 [0.53, 1.04] mg/100g (wet weight);
