Answer: danio

AnswerCrossword Clue
DANIOAquarium fish
DANIOStriped aquarium fish
DANIOPearl ... (aquarium fish)
DANIOFreshwater aquarium favorite
DANIOZebra ... (aquarium fish)
danioan aquarium fish
danioany of various small brightly colored Asian cyprinid fishes (genera Danio and Brachydanio)
danioany of several cyprinid fishes of the genera Danio and Brachydanio, of India and Sri Lanka, often kept in aquariums