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Xiphophorus birchmanni Lechner & Radda, 1987 Sheepshead swordtail |
| Family: | Poeciliidae (Poeciliids), subfamily: Poeciliinae | |||
| Max. size: | 7 cm TL (male/unsexed); 7 cm (female) | |||
| Environment: | benthopelagic; freshwater; pH range: 7.19999980926514 - 8.19999980926514; dH range: 5 - 20 | |||
| Distribution: | Central America: Rio Panuco basin in Hidalgo, Mexico. | |||
| Diagnosis: | ||||
| Biology: | Found in fast flowing waters. | |||
| IUCN Red List Status: | Least Concern (LC); Date assessed: 29 March 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||