Xiphophorus signum Rosen & Kallman 1969

Every 4-5 weeks, female gives birth to 20-40 young (Ref. 2060).

Inhabits fast-flowing waters that are usually densely vegetated and have a temperature of 25°C. Occasionally occurs with the livebearer Scolichthys iota. Males attain a body length up to 7.5 cm plus 3 to 4 cm for the sword.

aquarium: commercial