Nannaethiops bleheri Géry & Zarske, 2003

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Classification	Actinopterygii \| Characiformes \| Distichodontidae
Synonyms	... more
Common names	... more

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Main reference

Géry J. and A. Zarske. 2003. (Ref. 77044)
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Size / Weight / Age

Max length : 2.2 cm SL male/unsexed; (Ref. 77044)

Environment

Benthopelagic; freshwater

Climate / Range

Tropical

Africa: upper White Nile basin in Ethiopia.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Vertebrae: 32. Diagnosis: body height 3.75-3.85 times in SL; single blackish line from posterior margin of gill cover to middle rays of caudal fin, dorsally followed by a golden line; adipose fin usually present; maxillary short, not reaching anterior margin of eye; eye relatively large; 33-34 lateral line scales, the first 6-8 with pore; 14 scales around caudal peduncle (Ref. 77044). Description: largest body height a little anterior to dorsal fin; dorsal fin more or less in middle of body; pelvic fins inserted posteriorly to dorsal fin origin; caudal peduncle relatively short and heigh; proximal 1/3 of caudal fin with scales; lobes of caudal fin not pointed; wide fontanel reaching from middle of frontals to supraoccipital; scales ctenoid, except predorsal scales; lateral line short, with only 6-8 pored scales; 8, usually 9 transversal scales (between dorsal and pelvic fins); 12 predorsal scales; dorsal fin with 2-3 unbranched and 10-11 branched rays; 11 pterygophores, first between 6th and 7th neural spine; anal fin with 3 unbranched and 6-7 branched rays, and 8 pterygophores of which first 2 located between third and fourth haemal spines; pectoral fin with 1 unbranched and 9 branched rays; pelvic fin with 2 unbranched and 7 branched rays; 4+13 precaudal and 15 caudal vertebrae (Ref. 77044). Coloration: alcohol preserved specimens: black longitudinal band, about the width of 1 scale, situated directly above the lateral line, starting weakly pronounced on snout going over eye and gill cover being most pronounced directly behind the gill cover, from where it continues to the middle rays of the caudal fin; no spot on shoulder or caudal fin; lateral line scales greyish, pored scales a little darker on their upper half; ventrally a clear dark line from behind pelvic to the end of anal fin base, and from end of caudal peduncle to caudal fin; posterior margin of scales dark; anterior rays of dorsal fin black (Ref. 77044). Live coloration: unpaired fins pinkish to light brown (Ref. 77044).


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

Human uses


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)

Entered by Torres, Armi G.

Modified by Bailly, Nicolas

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Page last modified by : elaxamana, 15 July 2009

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