Redtail Black Variatus Male

Redtail Black Variatus

The photo is of a male Redtail Black Variatus, a commercial (domestic, if you prefer) strain of Xiphophorus variatus. Like most commercial xiphophorines (swordtails, platies, and variatus), this fish is likely to be of hybrid origin, although the strain clearly is primarily X. variatus based on its fins and shape. We acquired our first variatus […]