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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Lithognathus: Greek, lithos = stone + Greek, gnathos = jaw (Ref. 45335).
More on author: Cuvier.
Entorno: milieu / zona climática / rango de profundidad / gama de distribución
Ecología
marino; salobre bentopelágico; anfidromo (Ref. 51243); rango de profundidad ? - 150 m (Ref. 27121). Subtropical; 22°S - 31°S
Southeast Atlantic: known only from the Orange River mouth to Natal, South Africa.
Longitud en la primera madurez / Tamaño / Peso / Edad
Madurez: Lm 54.0  range ? - ? cm
Max length : 200 cm TL macho / no sexado; (Ref. 3198); common length : 65.0 cm TL macho / no sexado; (Ref. 3507)
Descripción breve
Claves de identificación | Morfología | Morfometría
Espinas dorsales (total) : 11; Radios blandos dorsales (total) : 10; Espinas anales: 3; Radios blandos anales: 8. Silvery in color, crossbars fade with age.
Body shape (shape guide): fusiform / normal.
Found over sandy substrate, in estuaries and oceanic waters. Enters lagoons (Ref. 3198). Feeds bottom invertebrates, including worms, crabs and shrimp (Ref. 27121). Spawns in the sea but uses estuaries as nursery grounds. Prime angling fish. Important food fish. Sold fresh and whole in markets.
Ciclo vital y comportamiento de apareamiento
Madurez | Reproducción | Puesta | Huevos | Fecundidad | Larva
Bauchot, M.-L. and M.M. Smith, 1984. Sparidae. In W. Fischer and G. Bianchi (eds.) FAO species identification sheets for fishery purposes. Western Indian Ocean (Fishing Area 51). volume 4. [var. pag.] FAO, Rome. (Ref. 3507)
Situación en la Lista Roja de la UICN (Ref. 130435: Version 2025-2 (Global))
Amenaza para el ser humano
Harmless
Usos humanos
Pesquerías: escaso valor comercial; pesca deportiva: si
Herramientas
Informes especiales
Descargar XML
Fuentes de Internet
Estimaciones basadas en modelos
Temperatura preferida (Referencia
123201): 12.5 - 24.1, mean 15.7 °C (based on 28 cells).
Índice de diversidad filogenética (Referencia
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.00934 - 0.02568), b=3.04 (2.90 - 3.18), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Nivel trófico (Referencia
69278): 3.1 ±0.1 se; based on diet studies.
Generation time: 10.9 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
Resiliencia (Referencia
120179): Bajo, población duplicada en un tiempo mínimo de 4.5-14 años (K=0.1).
Vulnerabilidad pesquera (Ref.
59153): High to very high vulnerability (72 of 100).
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Vulnerabilidad climática (Ref.
125649): Very high vulnerability (78 of 100).
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Nutrientes (Ref.
124155): Calcium = 24.8 [12.9, 45.8] mg/100g; Iron = 0.664 [0.364, 1.136] mg/100g; Protein = 18.5 [16.9, 20.3] %; Omega3 = 0.302 [0.191, 0.497] g/100g; Selenium = 45.7 [21.7, 85.5] μg/100g; VitaminA = 6.95 [2.03, 19.38] μg/100g; Zinc = 0.722 [0.505, 1.031] mg/100g (wet weight);