| Family: |
Poeciliidae (Poeciliids), subfamily: Poeciliinae |
| Max. size: |
5.4 cm TL (male/unsexed) |
| Environment: |
benthopelagic; freshwater, non-migratory |
| Distribution: |
North America: formerly found in Boquillas and Graham Ranch springs, Brewster County in Texas; now restricted to an artificial spring-fed pond in Big Bend National Park in Texas, USA. |
| Diagnosis: |
|
| Biology: |
Inhabits vegetated, spring-fed sloughs and ponds (Ref. 5723). |
| IUCN Red List Status: |
Vulnerable (VU); Date assessed: 03 February 2012 (D2) Ref. (130435)
|
| Threat to humans: |
harmless |
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