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noun
Any member of the family Cyprinodontidae.
is a specific kind of: cypriniform fish.
is a broader term that covers: killifish | helleri, swordtail, topminnow, Xyphophorus helleri | guppy, Lebistes reticulatus, rainbow fish.
is a member of: Cyprinodontidae, family Cyprinodontidae.
Find more on cyprinodont elsewhere: etymology - rhymes - Wikipedia.
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