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Plesiolebias aruana (Lazara, 1991) |
| Family: | Rivulidae (Rivulines), subfamily: Rivulinae | |||
| Max. size: | 3 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater, non-migratory | |||
| Distribution: | South America: Araguaia-Tocantins River basin in Brazil. | |||
| Diagnosis: | ||||
| Biology: | Bottom spawner, 4 months incubation. Is difficult to maintain in aquarium (Ref. 27139). | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||