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Melanorivulus rubromarginatus (Costa, 2007) |
| Family: | Rivulidae (Rivulines), subfamily: Rivulinae | |||
| Max. size: | 2.81 cm SL (male/unsexed); 2.52 cm SL (female) | |||
| Environment: | benthopelagic; freshwater; depth range 0 - 1 m | |||
| Distribution: | South America: Peixe River drainage of the Araguaia River basin in Brazil. | |||
| Diagnosis: | ||||
| Biology: | Collected in shallow pools and creeks adjacent to a stream which is about 10-20 cm deep; with orange clay bottom, in open vegetation of the Brazilian Cerrado and water was clear, pH 6.2 (Ref. 59346). | |||
| IUCN Red List Status: | Vulnerable (VU); Date assessed: 07 November 2018 (D2) Ref. (130435) | |||
| Threat to humans: | harmless | |||