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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Diplodus: Greek, diploos = twice + Greek, odous = teeth (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
marien rifbewoner; diepte 0 - 50 m (Ref. 27121). Tropical; - 35°S
Southeast Atlantic and Western Indian Ocean: Angola to Mozambique and southern Madagascar, possibly reaching Mauritius (Ref. 3168, 3198).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturity: Lm 21.1 range ? - ? cm
Max length : 45.0 cm TL mannelijk / geslacht onbekend; (Ref. 3198); common length : 30.0 cm TL mannelijk / geslacht onbekend; (Ref. 3507); max. gerapporteerde leeftijd: 21 Jaren (Ref. 26244)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 12; Dorsale zachte stralen (totaal) : 14 - 15; Anale stekels: 3; Anale zachte stralen: 13 - 14. Young specimens with fine crossbars; large adults almost uniformly black.
Adults occur in shallow rocky and sandy substrate; juveniles in shallow reefs, estuary mouths and intertidal pools, sandy beach surf zone. Omnivorous on seaweeds, sponges and bivalves. Also feeds on crustaceans, worms, mollusks, and fish. Sold fresh or whole and as bait.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
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)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van minder commercieel belang; sportvis: ja; aas: usually
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Preferred temperature (Ref.
123201): 18.6 - 27, mean 25.9 °C (based on 56 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00959 - 0.02388), b=3.08 (2.95 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.7 ±0.15 se; based on food items.
Generation time: 7.7 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tm=3; tmax=21).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 50.6 [25.9, 83.1] mg/100g; Iron = 0.626 [0.349, 1.128] mg/100g; Protein = 19.4 [18.2, 20.6] %; Omega3 = 0.127 [0.067, 0.248] g/100g; Selenium = 33.1 [18.4, 56.2] μg/100g; VitaminA = 63 [18, 194] μg/100g; Zinc = 1.35 [0.92, 1.85] mg/100g (wet weight);
