Definition of clown fish
: any of various small tropical fishes (genera Amphiprion and Premnas) of the Indian and Pacific oceans that are related to the damselfishes, are bright orange usually with one or more vertical white stripes, and live symbiotically with sea anemones
First Known Use of clown fish
Learn More about clown fish
Britannica.com: Encyclopedia article about "clown fish"
Seen and Heard
What made you want to look up clown fish? Please tell us where you read or heard it (including the quote, if possible).