Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser pelagisch. Tropical
Africa: Congo River basin: from Pool Malebo (Ref. 42480) up to the upper Lualaba (Ref. 2970, 42019, 45616, 80290) and Luapula (Ref. 1878, 42135, 80290, 85675) in Cameroon, Democratic Republic of the Congo, Republic of Congo, Central African Republic, Angola and Zambia. Lower Guinea: found in coastal River basins in Cameroon, Gabon and the Republic of Congo (Ref. 80290). Also reported from Lake Tanganyika, the Malagarazi River (Ref. 36901) and the Rusizi River (Ref. 98755).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 60.0 cm SL Männchen/unbestimmt; (Ref. 2880)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 10 - 11; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 19 - 23. Diagnosis: very well developed adipose eyelid (Ref. 42019, 80290, 81279); 18-20 branched anal-fin rays (Ref. 2880, 42019, 80290, 81279). 16-20 branched rays in Tanganyika specimens (Ref. 36899, 45485). 17-22 gill rakers on lower limb of first gill arch; dorsal-fin origin at about same level of pelvic-fin insertions (Ref. 2880, 80290, 81279). Sexual dimorphism affecting shape of anal fin (Ref. 80290, 81279).
Body shape (shape guide): fusiform / normal.
Omnivore; remnants of insect larvae (Ref. 36901), weed, beetles and other insects (Ref. 42135) and fish (Ref. 36899) found in stomach. Juveniles predominantly insectivore, piscivore as adults (Ref. 85675).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Paugy, D., 1990. Characidae. p. 195-236. In C. Lévêque, D. Paugy and G.G. Teugels (eds.) Faune des poissons d'eaux douces et saumâtres de l'Afrique de l'Ouest. Tome I. Coll. Faune Tropicale n° XXVIII. Musée Royal de l'Afrique Centrale, Tervuren et O.R.S.T.O.M., Paris, 384 p. (Ref. 2880)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01122 (0.00616 - 0.02045), b=3.04 (2.89 - 3.19), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
2.0 ±0.00 se; based on food items. |
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Generation time |
1.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Widerstandsfähigkeit (Ref. 120179) |
hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Low to moderate vulnerability (25 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Unknown.
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Nährstoffe (Ref. 124155) |
Calcium = 122 [49, 343] mg/100g; Iron = 2.64 [1.19, 6.24] mg/100g; Protein = 19 [17, 21] %; Omega3 = 0.431 [0.153, 1.295] g/100g; Selenium = 80.6 [29.5, 236.1] μg/100g; VitaminA = 11.3 [3.1, 40.2] μg/100g; Zinc = 2.1 [1.3, 3.3] mg/100g (wet weight); |