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Anabantiformes (Gouramies, snakeheads) >
Channidae (Snakeheads)
Etymology: Parachanna: Greek, para = the side of + Greek, channe, -es = anchovy (Ref. 45335).
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
Ökologie
; süßwasser demersal; potamodrom (Ref. 51243). Tropical; 26°C - 28°C (Ref. 1672); 14°N - 3°S
Africa: widely distributed from the Senegal River to the Chad system (Ref. 3575, 57290), including the Volta and Niger basins and many coastal basins in West Africa (Ref. 57290), up to the Nile (Ref. 3575, 28714) and Congo basins (Ref. 45434, 106290, 111328). In Lower Guinea known from most coastal basins (Ref. 81648).
Size / Gewicht / Alter
Maturity: Lm ? range ? - ? cm
Max length : 50.0 cm SL Männchen/unbestimmt; (Ref. 31256); max. veröff. Gewicht: 1.0 kg (Ref. 3799)
Kurzbeschreibung
Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt): 0; Rückenflossenweichstrahlen (insgesamt): 39-45; Afterflossenstacheln 0; Afterflossenweichstrahlen: 26 - 32. Diagnosis: body elongate; lateral-line scales medium-sized, numbering 65-78; head depressed anteriorly, relatively long and covered with scales larger than those on body; lower jaw slightly longer than the upper, with 4-6 well developed canines; dorsal and anal fins not touching caudal fin; dorsal fin with 39-45, anal with 26-32 rays; 5-8 more or less rounded or polygonal dark blotches on flanks (Ref. 57290, 81648, 11328). 19-24 scales in transversal series (Ref. 11328).
Obligate air-breathing (Ref. 126274); Inhabits marginal vegetation and floodplains. Feeds on insects and small fish (Ref. 28714). Maximum SL reported 50.0 cm (Ref. 31256) larger than maximum TL 45.5 cm (Ref. 81648).
Life cycle and mating behavior
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven
Teugels, G.G., J.J. Breine and D.F.E. Thys van den Audernaerde, 1986. Channidae. p. 288-290. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Checklist of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 2. (Ref. 3575)
IUCN Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
Mehr Information
NamenSynonymeMetabolismusRäuberÖkotoxikologieFortpflanzungGeschlechtsreifeAblaichenSpawning aggregationFecundityEierEientwicklung
ReferenzenAquakulturAquakultur ProfilZuchtlinienGenetikElectrophoresesVererbbarkeitKrankheitenVerarbeitungNutrientsMass conversion
Tools
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Internet Quellen
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00759 (0.00606 - 0.00950), b=3.02 (2.96 - 3.08), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trophic level (Ref.
69278): 3.4 ±0.56 se; based on food items.
Widerstandsfähigkeit (Ref.
120179): mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (44 of 100).
Nutrients (Ref.
124155): Calcium = 130 [69, 247] mg/100g; Iron = 1.24 [0.63, 2.21] mg/100g; Protein = 18.4 [16.6, 20.2] %; Omega3 = 0.23 [0.10, 0.52] g/100g; Selenium = 59.5 [25.0, 134.7] μg/100g; VitaminA = 33.1 [11.5, 92.8] μg/100g; Zinc = 1.58 [1.07, 2.30] mg/100g (wet weight);
