| Family: |
Serrasalmidae (Piranhas and pacus), subfamily: Serrasalminae |
| Max. size: |
13.96 cm SL (male/unsexed); max.weight: 153.0 g |
| Environment: |
pelagic; freshwater; pH range: 5 - 7; dH range: 15 |
| Distribution: |
South America: Tapajós River basin in Brazil. |
| Diagnosis: |
|
| Biology: |
In weedy side arms of the river; popular aquarium fish in the USA according to Ref. 1672, but might be a misidentification of M. hypsauchen. Needs better reference. |
| IUCN Red List Status: |
Least Concern (LC); Date assessed: 20 October 2020 Ref. (130435)
|
| Threat to humans: |
harmless |
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