Overview

Comprehensive Description

Biology

Feeds on insects and plants (Ref. 81203).
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Distribution

Rio Iguaçu basin, Paraná, Brazil.
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South America: Rio Jacu and rio das Torres in the lower portions of the rio Jordão drainage, lower rio Iguaçu basin, Paraná, Brazil
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Physical Description

Morphology

Dorsal soft rays (total): 1011; Vertebrae: 34 - 37
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Size

Max. size

7.6 cm SL (male/unsexed; (Ref. 81203))
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Diagnostic Description

Distinguished from other congeners by the combination of the following characters: anal fin with 13-17 branched rays; lateral line scales 35-38; one humeral spot; dentary teeth abruptlydecreasing in size after the fifth tooth; orbital diameter 22.6-29.1% of HL; interorbital width 30.6-35.7% of HL; snout length 25.3-29.7% of HL; predorsal scales 12-15; dorsal procurrent rays 10-12; maxillary teeth 1 or 2; and a conspicuous midlateral band from humeral region to caudal peduncle (Ref. 81203).Description: Dorsal-fin rays i,9, ii,9; anal-fin rays iii,14, iii,15, iii,16), iv,13, iv,14, iv,15, iv,16, iv,17, v,13, v,14, v,15, v,16), v,17; pectoral-fin rays i,9, i,10, i,11, or i,12; pelvic-fin rays i,6 or i,7. Scale series between lateral line and pelvic-fin insertion 5 (Ref. 81203).
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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