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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Polysteganus: Greek, polys = a lot of + Greek, stego, stege = covered (Ref. 45335).
More on author: Regan.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina revassocierade; havsvandrande (Ref. 51243); djupintervall 30 - ? m (Ref. 5213). Subtropical; 17°S - 30°S
Western Indian Ocean: southern Mozambique to Durban, South Africa.
Size / Vikt / Age
Maturity: Lm ?  range ? - 35 cm
Max length : 120 cm TL hane/ej könsbestämd; (Ref. 3507); common length : 80.0 cm TL hane/ej könsbestämd; (Ref. 3507); publicerad maxvikt: 16.0 kg (Ref. 4699)
Taggstrålar i ryggfenan (totalt): 12; Mjukstrålar i ryggfenan (totalt): 10; Taggstrålar i analfenan 3; Mjukstrålar i analfenan: 8 - 9
Found over rocky reef and banks of deep waters. Carnivorous species which feeds mainly on fish and squid (Ref. 5213). An excellent food fish. Sold fresh.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
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 Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: mindre kommeriell; sportfisk: ja
Ytterligare information
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
Verktyg
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02455 (0.01209 - 0.04986), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Trofisk nivå (Ref.
69278): 4.1 ±0.60 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (K=0.18-0.28).
Fishing Vulnerability (Ref.
59153): High vulnerability (57 of 100).