topminnow

1. Small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters;
   Often used in mosquito control (synset 101451592)
   is a type of: cypriniform fish - a soft-finned fish of the order Cypriniformes
   subtypes:

   • gambusia affinis, mosquitofish - silvery topminnow with rows of black spots of tropical North America and West Indies; important in mosquito control
   • platy, platypoecilus maculatus - small stocky Mexican fish; popular aquarium fish
   • mollie, molly - popular aquarium fish
   belongs to: family poeciliidae, poeciliidae - topminnows
   same as: live-bearer, poeciliid, poeciliid fish
2. Freshwater fish of Central America having a long swordlike tail;
   Popular aquarium fish (synset 101450932)
   is a type of: cyprinodont - any member of the family Cyprinodontidae
   belongs to: genus xyphophorus, xyphophorus - swordtails
   same as: helleri, swordtail, xyphophorus helleri

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