Unappreciated Treasures of Killifish Killifish are not well-known in the aquarium hobby and are infrequently seen in local fish stores despite being some of the most colourful freshwater aquarium fish available. Teeth carp that lay eggs belong to the Cyprinodontidae family, which is very distantly related to mollies, guppies, swordtails, and platies. The majority of…
