Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten pelagiska. Tropical; 24°C - 27°C (Ref. 12468)
Africa: this species has been reported from the Niger Delta (Nigeria), the Lower Ouémé (Benin) (Ref. 2936, 86396), the Cross River (Ref. 2936, 51193, 81638, 86396) (Nigeria, Cameroon) and the Wouri River (Cameroon) (Ref. 51193, 81638).
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 20.8 cm SL hane/ej könsbestämd; (Ref. 31256)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 13 - 17; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 15 - 18. Diagnosis: snout longer than half the head length (southern Nigeria and Cameroon); body depth 5.25-7x and head length 2.8-3x SL; head 3.75-4.85x longer than wide; snout more than half of head length (53-58%); scale formula 11.5-13.5/95-100/11-13 (Ref. 2936, 86396). 92-104 (Ref. 81638) or 95-100 (Ref. 2936, 86396) lateral line scales.
Maximum TL was recorded at 23 cm (Ref. 7094).
Life cycle and mating behavior
Maturities | Reproduktion | Spawnings | Egg(s) | Fecundities | Larver
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 Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00147 - 0.00981), b=3.11 (2.88 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 2.9 ±0.3 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Low vulnerability (15 of 100).