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> Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Nannocharax: Latin, nannus = small + Greek, charax = a marine fish without identification (Ref. 45335); maculicauda: Named for its caudal spot.
More on authors: Vari & Géry.

Environment: milieu / climate zone / depth range / distribution range Ökologie

; süßwasser pelagisch. Tropical

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Africa: Lower Guinea endemic, known from the Ntem, Mbini [=Woleu] and the Ogowe River basins (Ref. 81638).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 3.0 cm SL Männchen/unbestimmt; (Ref. 7094)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 11 - 14; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 12 - 13. Diagnosis: distinct, large round spot on posterior portion of caudal peduncle and mid-basal caudal fin rays (Ref. 81638).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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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 2024-1)

nicht bedroht (LC) ; Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Fischereien: kommerzielles potential

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00447 (0.00189 - 0.01058), b=3.17 (2.96 - 3.38), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.1 ±0.4 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Preiskategorie (Ref. 80766): Unknown.

Nannocharax maculicauda Vari & Géry, 1981