Nannocharax ansorgii Boulenger, 1911

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Characiformes \| Distichodontidae
Synonyms	Hemigrammocharax polli, ... more
Common names	Nigeriantetra, Vihernuoliaistetra, 波氏半琴脂鲤, ... more

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Picture by Mody, K.

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Main reference

Teugels, G.G., C. Lévêque, D. Paugy and K. Traoré. 1988. (Ref. 272)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 3.7 cm SL male/unsexed; (Ref. 2936)

Environment

Pelagic; potamodromous (Ref. 51243); freshwater; pH range: 7.0 - 7.8; dH range: ? - 15

Climate / Range

Tropical; 22°C - 26°C (Ref. 13614)

Africa: High basins of Senegal, Gambia, Geba and Culufi River in Guinea Bissau, Waanje River in Sierra Leone , Niger + Bénoué Rivers, Bandama River in Côte d'Ivoire, Comoe in Côte d'Ivoire and Burkina Faso, Volta River, Pra in Ghana, Chari-Logone in Chad-Cameroon-Central African Republic.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 11 - 14; Anal soft rays: 8 - 12. Pointed snout. Head length 22.9-31.8% SL. Lateral line not always complete: complete in Gambia, Guinea Bissau and Sierra Leone (37-45 lateral line scales, 42-45 lateral stripe); incomplete in Senegal, Niger-Bénoué, Chad, Bandama, Comoe, Volta and Pra (12-44 lateral line scales, 39-45 lateral stripe). 6.5-8.5 lateral median stripe scales bet. adipose fin post. end and caudal fin base. Brown lateral stripe from snout to caudal. In young, band composed of series round spots. Yellow body, brown back, pink fins. Dorsal 2-3 transverse bands.

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


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (10 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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