| Family: |
Percidae (Perches), subfamily: Etheostomatinae |
| Max. size: |
4.11 cm SL (male/unsexed); 4.38 cm SL (female) |
| Environment: |
benthopelagic; freshwater |
| Distribution: |
Central America: upper Rio Salado de los Nadadores in Bolson de Cuatro Ciénegas, Coahuila, Mexico. |
| Diagnosis: |
Dorsal spines (total): 8-11; Dorsal soft rays (total): 8-10; Anal soft rays: 6-7; Vertebrae: 35-37 |
| Biology: |
Occurs in habitats with moderate turbulence over gravel and small cobble substrate. Seems to concentrate in vegetated areas when present. Also found in eddying currents along vegetated or cobble shorelines. |
| IUCN Red List Status: |
Critically Endangered (CR); Date assessed: 30 August 2018 (B1ab(iii,v)) Ref. (130435)
|
| Threat to humans: |
harmless |
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