red swordtail male, popular freshwater commercial breed of wild green species from mexico, active and curious

active america animal aqua aquadesign aquarium aquascape aquatic aquatrade artificial breed breeding bright business captivity care central comfortable commercial curious decoration decorative design detail dwarf easy eco ecology exotic fauna fish fishkeeping free freshwater green habitat healthy hellerii instinct invasive keep light livebearer low male mature mexico natural nature ornamental pet poeciliidae popular protection red space species spread sword swordtail tank threat underwater water wide wild xiphophorus