Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk. Tropical; 11°S - 18°S
Africa: Okavango and upper Zambezi systems (Ref. 7248). Also reported from the southern Congo River basin in Angola (Ref. 120641) but without further details. Very similar to the largescale yellowfish and may represent the same species (Ref. 7248).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 39.0 cm TL hane/ej könsbestämd; (Ref. 7248); publicerad maxvikt: 3.2 kg (Ref. 2801)
Short description
Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt): 4; Mjukstrålar i ryggfenan (totalt): 9-10.
Prefers fast water with rocky bottom and seldom occurs over sand or in aquatic vegetation (Ref. 13337). Feeds on aquatic insect larvae, crustaceans, mollusks and small fish (Ref. 13337).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Skelton, P.H., 1993. A complete guide to the freshwater fishes of southern Africa. Southern Book Publishers. 388 p. (Ref. 7248)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: ; sportfisk: ja
Ytterligare information
PopulärnamnsynonymerMetabolikPredatorerEkotoxikologiReproduktionKönsmognadLekSpawning aggregationFecundityÄggEgg development
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundansBRUVS
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.7 ±0.55 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 (29 of 100).