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Characidium tupi Zanata & Oliveira-Silva, 2025 |
| Family: | Crenuchidae (South American darters), subfamily: Characidiinae | |||
| Max. size: | 7.17 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | South America: Brazil. | |||
| Diagnosis: | Dorsal soft rays (total): 8-9; Anal soft rays: 5-6; Vertebrae: 33-35 | |||
| Biology: | This species inhabits streams with fast-flowing, transparent to slightly dark waters, lined with substrate composed of medium to large sized stones or rocks (Ref. 138489). | |||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||