| Family: |
Poeciliidae (Poeciliids), subfamily: Poeciliinae |
| Max. size: |
5 cm SL (male/unsexed); 6.4 cm SL (female) |
| Environment: |
pelagic; freshwater; depth range 2 - 3 m |
| Distribution: |
North America: Mexico. |
| Diagnosis: |
A species characterized by a longer caudal appendage, sword index 0.25; fainter orange stripes that fade in older individuals and pronounced melanophore pigmentation at the edges of the dorsal and ventral sword margins (in males) (Ref. 52914). |
| Biology: |
This species occurs sympatrically with X. mixei and apparently prefers deeper pools; in rapidly flowing river with boulders and riffles (Ref. 52914). |
| IUCN Red List Status: |
Not Evaluated (N.E.) Ref. (130435)
|
| Threat to humans: |
harmless |
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