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Eupercaria/misc (Various families in series Eupercaria) >
Sparidae (Porgies)
Etymology: Polyamblyodon: Greek, poly = a lot of + Greek, amblys = blunt + Greek, odous = teeth (Ref. 45335).
More on author: Barnard.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
marina bottenlevande; djupintervall 40 - 80 m (Ref. 3507). Subtropical
Western Indian Ocean: Delagoa Bay, Mozambique to East London, South Africa.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 45.0 cm TL hane/ej könsbestämd; (Ref. 3198)
Taggstrålar i ryggfenan (totalt): 11; Mjukstrålar i ryggfenan (totalt): 11-12; Taggstrålar i analfenan 3; Mjukstrålar i analfenan: 10 - 11. Grey-blue to bronzy, lighter below; forehead, cheeks and fins darker.
Caught in deeper water. Feeds on crustaceans, small mollusks and algae. Rarely caught by line fishers. Flesh excellent.
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
Ytterligare information
PopulärnamnsynonymerMetabolikPredatorerEkotoxikologiReproduktionKönsmognadLekSpawning aggregationFecundityÄggEgg development
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundansBRUVS
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
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Estimates based on models
Preferred temperature (Ref.
123201): 18.7 - 23.9, mean 23.3 °C (based on 5 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00609 - 0.02604), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.42 se; based on food items.
Resiliens (Ref.
120179): Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (35 of 100).