Definition of platyfish in English:
noun (plural same or platyfishes)
A small livebearing freshwater fish of Mexico and Central America, popular in aquariums.
- Genus Xiphophorus, family Poeciliidae: several species, in particular X. maculatus, which has been bred in a wide variety of colors
- Examples include the jewelfish and spotted tilapia; and livebearers, such as swordtails, platies and mollies, and armored catfishes.
- He's lived happily for the past four months with a platy and two neon tetras in a five gallon aquarium.
- Prompted by my concern for Linda's ‘tough-love’ hardened goldfish and platies, I was given Nigel as an outlet for my protective zeal.