Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
; süßwasser pelagisch. Tropical; 11°S - 21°S
Africa: Middle and Lower Zambezi, including Lake Kariba, and Pungwe and Buzi rivers in Mozambique (Ref. 52193). Reports from Congo River basin refer to other species of Distichodus (Ref. 96324, 122092).
Größe / Gewicht / Alter
Geschlechtsreife: Lm ? range ? - ? cm
Max length : 57.0 cm SL Männchen/unbestimmt; (Ref. 52193); max. veröff. Gewicht: 7.6 kg (Ref. 52193)
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 27 - 29; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 14 - 15. Diagnosis: snout extended; mouth terminal; head about 4 times in fork length; juveniles with 6-7 dark bars (Ref. 52193).
Body shape (shape guide): fusiform / normal.
Inhabits swift flowing water, rapids or quiet, deep, sandy or rocky pools (Ref. 13337). Found only in the mainstream of larger rivers and even in Lake Kariba prefers more riverine habitats; omnivorous, feeds on insects, snails, small fish, and aquatic plants; breeds in summer, moving upstream to suitable sites (Ref. 7248, 52193).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Daget, J. and J.-P. Gosse, 1984. Distichodontidae. p. 184-211. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 7094)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell; Sportfisch: ja
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00677 - 0.03085), b=3.08 (2.90 - 3.26), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.2 ±0.49 se; based on food items.
Anfälligkeit der Fischerei (Ref.
59153): Moderate to high vulnerability (48 of 100).
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