| Family: |
Cyprinodontidae (Pupfishes), subfamily: Cyprinodontinae |
| Max. size: |
4 cm TL (male/unsexed) |
| Environment: |
demersal; freshwater; pH range: 7.44999980926514; dH range: 10.5, non-migratory |
| Distribution: |
Central America: El Potosí, Nuevo Leon, Mexico. |
| Diagnosis: |
Dorsal soft rays (total): 9-11; Anal soft rays: 9-11 |
| Biology: |
An egg lying carnivorous fish which prefers rocky substrate near vegetation. Aquarium conditions: pH=7.3, H=12, 10°C water temperature (Ref. 6398). Not a seasonal killifish (Ref. 27139). A popular media fish. |
| IUCN Red List Status: |
Extinct (EX); Date assessed: 12 September 2018 Ref. (130435)
|
| Threat to humans: |
harmless |
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