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Xiphophorus monticolus Kallman, Walter, Morizot & Kazianis, 2004 Southern mountain swordtail |
| 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 | |||