Green (wild-type)
A variant of Swordtail (Xiphophorus hellerii)
Representative Swordtailphoto — a dedicated image of this exact morph isn't available yet.
The natural Xiphophorus hellerii: olive-green flanks with a red lateral stripe and, in males, the long lower 'sword' tail extension.
Keeper tips for this variant
Active and a strong jumper — keep a tight-fitting lid. Hard, neutral-to-alkaline water and room to swim (90 L+).