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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: Boulenger.

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

; süßwasser pelagisch; pH range: 7.0 - 7.8; dH range: ? - 15; potamodrom (Ref. 51243). Tropical; 22°C - 26°C (Ref. 13614)

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Africa: upper basin of Senegal River and Gambia River, Geba and Culufi River (Guinea Bissau), Waanje River (Sierra Leone), Niger River, including Benue River, Bandama River (Côte d'Ivoire), Comoé River in Côte d'Ivoire and Burkina Faso, Volta River and Pra River (Ghana), and Chari Logone Chari-Logone in Chad-Cameroon-Central African Republic (Ref. 2936, 86396).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 3.7 cm SL Männchen/unbestimmt; (Ref. 2936)

Kurzbeschreibung Morphologie | Morphometrie

Diagnosis: snout and anal fin short; head length 22.9-31.8% SL; scale formula 5-6/42-45/-; 13-16 scales around caudal peduncle; 1.5-3 scales between anus and anal-fin origin; development lateral line variable with geographical region; pectoral fins not reaching to pelvic-fin bases; dorsal-fin origin distinctly ahead of pelvic-fin insertions; 8-12 anal fin branched rays; 11-14 dorsal fin branched rays; 10-13 pectoral fin branched rays; 8-10 pelvic fin branched rays; back usually uniformly brown (sometimes with cross-bars); dark band covering mid-lateral series of scales, and extending unto central caudal-fin rays (Ref. 2936, 86396).

Maximum TL was recorded at 4.6 cm (Ref. 7094).

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

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Teugels, G.G., C. Lévêque, D. Paugy and K. Traoré, 1988. État des connaissances sur la faune ichtyologique des bassins côtiers de Côte d'Ivoire et de l'ouest du Ghana. Rev. Hydrobiol. Trop. 21(3):221-237. (Ref. 272)

IUCN Rote Liste Status (Ref. 130435)

nicht bedroht (LC) ; Date assessed: 20 October 2019

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

Aquarium: Kommerziell

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=0.02188 (0.00867 - 0.05518), b=3.03 (2.81 - 3.25), 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).

Nannocharax ansorgii Boulenger, 1911