Definition of platyfish in English:

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Pronunciation: /ˈpladēˌfiSH/

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.
Example sentences
  • 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.


Early 20th century: colloquial abbreviation of modern Latin Platypoecilus (former genus name), from Greek platus 'broad' + poikilos 'variegated'.

For editors and proofreaders

Syllabification: plat·y·fish

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