Bryconamericus ikaa Casciotta, Almirón & Azpelicueta, 2004
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Family:  Characidae (Characins), subfamily: Stevardiinae
Max. size:  6.8 cm SL (male/unsexed); max.weight: 6.7 g
Environment:  benthopelagic; depth range 0 - 2 m
Distribution:  South America: Rio Iguazú basin, Argentina.
Diagnosis:  Differs from all congeneric species by the combination of the following characters: premaxilla with 4-6 teeth on the outer row, teeth aligned and tricuspidate or tetracuspidate, maxillary teeth 3-4 and usually pentacuspidate, 18-21 branched anal-fin rays, lateral line with 36-38 perforated scales, a short peduncle (11.6-13.3% SL), a ventrally elongated black humeral spot, a very faint second humeral spot and a narrow black lateral band (Ref. 52417).
Biology:  Collection sites have rapids with clear flowing water, pools and some areas of slow current. Bottom substrate includes mud, sand and mostly stones. Water depth ranges from 0.40-2m and temperate of the water near surface during summer is about 26° C (Ref. 52417).
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 10.11.05
Modified by: Reyes, Rodolfo B. - 31.03.17

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