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Cyprinodon atrorus Miller, 1968 Bolson pupfish |
| Family: | Cyprinodontidae (Pupfishes), subfamily: Cyprinodontinae | |||
| Max. size: | 4 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater; pH range: 7.5 - 8; dH range: 12 - 15, non-migratory | |||
| Distribution: | Central America: Río Salado and Cuatro Ciénegas systems in Mexico. | |||
| Diagnosis: | ||||
| Biology: | 5.0 cm max TL (Ref. 2059). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139). | |||
| IUCN Red List Status: | Endangered (EN); Date assessed: 26 September 2018 (B1ab(i,ii,iii)) Ref. (130435) | |||
| Threat to humans: | harmless | |||