any of numerous small, usually brightly colored fishes, indigenous to the tropics, and often kept and bred in home aquariums.
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How to use tropical fish in a sentence
Pawnee said farewell to the aggressively healthy Chris Traeger and tropical fish Ann Perkins.Goodbye Chris Traeger and Ann Perkins, P.S. I Love You | Abby Haglage | January 31, 2014 | THE DAILY BEAST
"We have to keep the boilers going in Winter to warm the water for the tropical fish," said the man to Mr. Bobbsey.The Bobbsey Twins in a Great City | Laura Lee Hope
It is a tropical fish, its range extending from the Florida Keys to Brazil.Bass, Pike, Perch, and Others | James Alexander Henshall
Plectognathi, a curious tropical fish that can inflate itself so as to resemble a balloon.
A tropical fish of the Mesoprion family, frequenting the deep-water banks of the West Indies.The Sailor's Word-Book | William Henry Smyth
It was the color of a half-grown cucumber, and it made me think of a tropical fish in an aquarium when the water needed changing.The Prairie Mother | Arthur Stringer