Overview

Distribution

Paraná River basin, Brazil.
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South America: Parana River basin.
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 0; Analspines: 0; Analsoft rays: 166 - 178; Vertebrae: 80 - 90
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Size

Max. size

26.1 cm TL (male/unsexed; (Ref. 36886))
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Diagnostic Description

Distinguished by its congeners by the following combination of features: length from the tip of the snout to the posterior end of the anal-fin base 92.4-94.4 %TL; mouth length 5.9-7.3 %HL; distance between anterior and posterior nares 2.6-3.1 %HL; eye diameter 3.1-4.1 %HL; postocular distance 40.0-44.4 %HL; pectoral fin length 35.5-41.3 %HL; scales always present above lateral line along anterodorsal region of body; unbranched anterior anal-fin rays 18-22; a white to yellowish white (sometimes indistinct) band on frontal portion of head and middorsum; and pectoral and anal fins hyaline to translucent, without dark distal margins; small ellipsoid caudal fin with 13-15 rays (Ref. 36352).
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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