Actinopterygii (ray-finned fishes) >
Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335). More on author: Boulenger.
Environment / Climate / Range
Ecology
Freshwater; demersal; pH range: 7.0 - 7.5; dH range: 8 - 12. Tropical; 20°C - 24°C (Ref. 13614), preferred ?
Africa: middle Congo River basin, including the Dja (Sangha drainage) in Cameroon (Ref. 80507), Kasai in Angola (Ref. 11970) and the middle Congo River (Ref. 106245), Kasai (Ref. 11970, 95523), Uélé (Ref. 42480), Ruki (Ref. 11970), Aruwimi (Ref. 42480, 106290), Itimbiri, Lindi-Tshopo (Ref. 106290) and Wagenia Falls (Ref. 106245) in Democratic Republic of the Congo.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL male/unsexed; (Ref. 13614); common length : 6.2 cm TL male/unsexed; (Ref. 7094)
Feeds on small invertebrates (Ref. 13614).
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
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. 109396)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: of no interest
More information
Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingMass conversion
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00147 - 0.00985), b=3.11 (2.88 - 3.34), based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic Level (Ref.
69278): 3.5 ±0.37 se; Based on food items.
Resilience (Ref.
69278): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .