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).

Iguazú River basin, Argentina.

South America: Rio Iguazú basin, Argentina.

6.0 cm SL (male/unsexed; (Ref. 52417))

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).

benthopelagic; freshwater; depth range 0 - 2 m (Ref. 52417)

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 1
Species With Barcodes: 1

Not Evaluated