| Occurrence | native | ||
| Importance | Ref. | ||
| Aquaculture | Ref. | ||
| Regulations | Ref. | ||
| Freshwater | Yes | ||
| Brackish | No | ||
| Saltwater | No | ||
| Live export | |||
| Bait | No | ||
| Gamefish | No | ||
| Abundance | Ref. | ||
| Comments |
Recorded from the Patos lagoon (Ref. 58359). Museum: Rio Caí in Montenegro, Rio Grande do Sul, Rio Guaíba basin, DZSP 4917 (holotype of O. robustus, 22 cm SL) (Ref. 27925). |
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| States/Provinces | Rio Grande do Sul (native) | ||
| States/Provinces Complete? | No | ||
| National Checklist | |||
| Country information | https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html | ||