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Xiphophorus nigrensis Rosen, 1960 Panuco swordtail |
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photo by
JJPhoto |
| Family: | Poeciliidae (Poeciliids), subfamily: Poeciliinae | |||
| Max. size: | 6 cm TL (male/unsexed); 6 cm (female) | |||
| Environment: | benthopelagic; freshwater; pH range: 7.5; dH range: 25 | |||
| Distribution: | Central America: Rio Choy of the Rio Panuco basin in San Luis Potosi, Mexico. | |||
| Diagnosis: | ||||
| Biology: | Inhabits fast-flowing river segments with steep banks and overhanging bank vegetation. | |||
| IUCN Red List Status: | Data deficient (DD); Date assessed: 29 March 2018 Ref. (130435) | |||
| Threat to humans: | harmless | |||