noun
: any of numerous exotic aquarium fishes requiring controlled water temperatures for satisfactory growth — compare betta , danio , mollienisia , platy , swordtail , tetra
noun
: any of numerous exotic aquarium fishes requiring controlled water temperatures for satisfactory growth — compare betta , danio , mollienisia , platy , swordtail , tetra
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012