Definition of helleri
1 : swordtail
2 : any of numerous brightly colored topminnows developed in the aquarium by hybridization between two tropical American fishes (Xiphophorus helleri and Platypoecilus maculatus)
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Origin and Etymology of helleri
New Latin (specific epithet of Xiphophorus helleri), after C. Heller, 20th century tropical fish collector
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