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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Rhabdosargus: Greek, rhabdos = stick + Latin, sargus = sargus (1591) (Ref. 45335).
More on author: Valenciennes.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
marin; saumâtre benthopélagique; océanodrome (Ref. 51243); profondeur ? - 100 m (Ref. 3198). Tropical; 13°S - 36°S
Southeast Atlantic: Angola southward around coast of South Africa to Natal. Reported from Mozambique (Ref. 5213).
Longueur à la première maturité / Taille / Poids / Âge
Maturité: Lm 23.0, range 22 - 24 cm
Max length : 65.0 cm TL mâle / non sexé; (Ref. 3688); common length : 40.0 cm TL mâle / non sexé; (Ref. 3688)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 11 - 13; Épines anales: 3; Rayons mous anaux: 10 - 11. Silvery with distinct crossbars (Ref. 3198).
Body shape (shape guide): fusiform / normal.
Found over sandy substrate. Juveniles use estuaries as nurseries (Ref. 27121). Feeds on worms, crustaceans, and mollusks especially mussels (Ref. 5213). Spawns during spring and summer close inshore (Ref. 36731).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Conflicting descriptions of the reproductive style of this species have been reported, e.g., Ref. 4359 describe this species as being a gonochorist (Ref. 28504). Also Ref. 103751.
Bauchot, M.-L. and J.-C. Hureau, 1990. Sparidae. p. 790-812. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 3688)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: intérêt commercial mineur; pêche sportive: oui
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 82804) |
PD50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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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 (Réf. 69278) |
3.0 ±0.2 se; based on diet studies. |
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Generation time |
6.9 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Résilience (Réf. 120179) |
Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (K=0.16). |
Vulnérabilité de la pêche (Ref. 59153) |
Moderate to high vulnerability (54 of 100). 🛈 |
Vulnérabilité climatique (Ref. 125649) |
Moderate to high vulnerability (48 of 100). 🛈 |
Catégorie de prix (Ref. 80766) |
Low.
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Nutriments (Ref. 124155) |
Calcium = 72.5 [39.7, 137.6] mg/100g; Iron = 0.8 [0.4, 1.5] mg/100g; Protein = 18.4 [17.3, 19.5] %; Omega3 = 0.232 [0.139, 0.391] g/100g; Selenium = 65.5 [32.2, 121.5] μg/100g; VitaminA = 22.4 [7.0, 57.1] μg/100g; Zinc = 1.46 [1.01, 2.07] mg/100g (wet weight); |