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Characiformes (Characins) >
Distichodontidae (Distichodus)
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335).
More on author: Poll.
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce pélagique. Tropical; 11°S - 21°S
Africa: Cunene, Okavango, upper Zambezi and Kafue systems, recently taken from the middle Zambezi above Kariba (Ref. 52193).
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 4.0 cm SL mâle / non sexé; (Ref. 52193)
Épines dorsales (Total): 0; Épines anales 0.
Inhabits clear, quiet, well-vegetated habitats; common on floodplains and in the Okavango Delta; feeds by picking periphyton and tiny invertebrates from the stems and leaves of water plants; breeds in summer (Ref. 7248, 52193). Attractive and peaceful in aquariums (Ref. 52193).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: ; Aquarium: Commercial
Plus d'informations
Noms communsSynonymesMétabolismePrédateursÉcotoxicologieReproductionMaturitéFraiRassemblement de ponteFéconditéŒufsDéveloppement de l'œuf
RéférencesAquacultureProfil d'aquacultureSouchesGénétiqueElectrophoresesHéritabilitéPathologiesTraitementNutrientsMass conversion
CollaborateursImagesStamps, Coins Misc.SonsCiguateraVitesseType de nageSurface branchialeOtolithesCerveauxVision
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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=0.00380 (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).
Niveau trophique (Ref.
69278): 3.0 ±0.32 se; based on food items.
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).