Nannaethiops unitaeniatus Günther, 1872

Oneline tetra

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

Classification	Actinopterygii \| Characiformes \| Distichodontidae
Synonyms	... more
Common names	Carp, Nannaethiops, Niltetra, ... more

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Image of Nannaethiops unitaeniatus (Oneline tetra)

Picture by Nilsson, K.

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Main reference

Gosse, J.-P. and E.J. Coenen. 1990. (Ref. 2936)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 6.2 cm TL male/unsexed; (Ref. 2936)

Environment

Pelagic; freshwater; pH range: 6.5 - 7.5; dH range: ? - 12

Climate / Range

Tropical; 23°C - 26°C (Ref. 1672)

Africa: Niger and Cross Rivers in Nigeria, Cameroon, Gabon, Congo, lower part of Congo basin. Reported from Ghana (Ref. 11235) and Chad basin (Ref. 367).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal soft rays (total): 11 - 16; Anal soft rays: 10. Caudal peduncle 1-1.5 x longer that high. Maxillaries extending to the anterior border of eyes. Lateral line always complete. Upper part of body gray olive, lower part whitish yellow. Dark lateral band from eye to caudal, dark stripe in middle of caudal and black spot at tip of dorsal.

Distinguished from Neolebias by its always complete lateral line. Feeds on worms, crustaceans and insects (Ref. 7020).


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 Cruz, Tess

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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