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Cyprinodon alvarezi Miller, 1976 Potosi pupfish |
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photo by
Loiselle, P.V. |
| Family: | Cyprinodontidae (Pupfishes), subfamily: Cyprinodontinae | |||
| Max. size: | 5 cm TL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater, non-migratory | |||
| Distribution: | North America: El Potosà in Nuevo Leon, Mexico. | |||
| Diagnosis: | Dorsal soft rays (total): 10-12; Anal soft rays: 9-11 | |||
| Biology: | 5.9 cm max SL (Ref. 12193). Not a seasonal killifish. Is difficult to maintain in aquarium (Ref. 27139). | |||
| IUCN Red List Status: | Extinct in the Wild (EW); Date assessed: 12 September 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||