Overview

Distribution

South America: tributaries of the rio Jacuí basin in Rio Grande do Sul, Brazil.
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Physical Description

Morphology

Dorsal soft rays (total): 10
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Size

Max. size

4.5 cm SL (male/unsexed; (Ref. 86734))
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Diagnostic Description

Readily distinguished from most similar congener Diapoma terofali by having 15-18 gill rakers on the lower limb of first gill arch (vs. 11-13) and 26-33 anal-fin rays (vs. 24-27) (Ref. 86734).Description: Dorsal-fin rays ii, 8; anal-fin rays iv-v, 24-27; pectoral-fin rays i, 9-11; pelvic-fin rays i, 6. Total number of gill rakers on first gill arch 16-19, (Ref. 86734).
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Ecology

Habitat

Environment

benthopelagic; freshwater
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Conservation

Threats

Not Evaluated
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