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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 / djupintervall / 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
Könsmognad: 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)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 12; Mjukstrålar i ryggfenan (totalt) : 10; Taggstrålar i analfenan: 3; Mjukstrålar i analfenan: 8 - 9.
Body shape (shape guide): short and / or deep.
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: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: mindre kommeriell; sportfisk: ja
Verktyg
Special reports
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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=0.02512 (0.01226 - 0.05148), 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).
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