toothcarp

noun (plural same)

• a small fish that resembles the carp but possesses small teeth, occurring mainly in fresh water in America. Many toothcarp are popular in aquaria.

  • Order Cyprinodontiformes: several families, in particular Cyprinodontidae (or Fundulidae) (the egg-laying killifishes and topminnows), and Poeciliidae (the livebearers)