Common names from other countries
Teleostei (teleosts) >
Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335).
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; pelagic; pH range: 6.5 - 7.5; dH range: ? - 15. Tropical; 22°C - 26°C (Ref. 13614); 11°S - 21°S
Africa: Cunene, Okavango, upper Zambezi, Kafue (middle Zambezi) and in the Zambian Congo River system (Ref. 52193), including Lakes Bangweulu and Mweru.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.0 cm TL male/unsexed; (Ref. 7094)
Prefers vegetated margins of rivers and oxbow lagoons or shallow lakes; picks small invertebrates and epiphyton from stems of plants and roots; breeds in summer (Ref. 7248, 52193). Known to make seasonal movements onto floodplains during rainy season (Ref. 13337). Maximum size about 45mm SL; attractive and peaceful aquarium species (Ref. 52193).
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | 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. 130435)
CITES (Ref. 128078)
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: of no interest; aquarium: commercial
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.8 ±0.25 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).