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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.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser demersal; tiefenbereich 1 - 80 m (Ref. 3198). Subtropical
Southeast Atlantic: endemic to South Africa, from the Cape to Durban.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 50.0 cm TL Männchen/unbestimmt; (Ref. 3198)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 10; Rückenflossenweichstrahlen (insgesamt) : 11 - 12; Afterflossenstacheln: 3; Afterflossenweichstrahlen: 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).
Body shape (shape guide): fusiform / normal.
Occurs mostly in shallow rocky areas, but also found down to 80 m. Flesh excellent.
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 1.0000 [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). |
Trophische Ebene (Ref. 69278) |
3.4 ±0.5 se; based on size and trophs of closest relatives |
Widerstandsfähigkeit (Ref. 120179) |
niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate to high vulnerability (53 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Very high.
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Nährstoffe (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); |