Environment: milieu / climate zone / depth range / distribution range
Écologie
marin benthopélagique. Subtropical
Western Indian Ocean: Transkei, South Africa to Madagascar but reported as far south as Still Bay (west of Mossel Bay), South Africa.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 35.0 cm TL mâle / non sexé; (Ref. 5213); common length : 20.0 cm TL mâle / non sexé; (Ref. 6082); poids max. publié: 1.7 kg (Ref. 4370)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 10; Rayons mous dorsaux (Total) : 21 - 23; Épines anales: 3; Rayons mous anaux: 13 - 14.
Found in coastal waters and rivers. Feeds on mollusks and crustaceans (Ref. 5213). Flesh of excellent quality (Ref. 6082).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
van der Elst, R., 1981. A guide to the common sea fishes of southern Africa. C. Struik, Cape Town. 367 p. (Ref. 3670)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; Aquaculture: commercial; pêche sportive: oui
Outils
Articles particuliers
Télécharger en XML
Sources Internet
Estimates based on models
Preferred temperature (Ref.
123201): 19 - 26.3, mean 24.9 °C (based on 30 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00673 - 0.04093), b=3.01 (2.79 - 3.23), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Niveau trophique (Ref.
69278): 3.6 ±0.50 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 vulnerability (25 of 100).
