tropical fish

noun

: any of various small usually showy fishes of tropical origin often kept in a tropical aquarium

Examples of tropical fish in a Sentence

Recent Examples on the Web
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Just offshore, divers and snorkelers can check out the beautiful coral reefs and view tropical fish and sea turtles. Patricia Doherty, Travel + Leisure, 17 Feb. 2026 Betta fish are tropical fish, so experts recommend having a heater to regulate the temperature between mid-70 and low-80 degrees Fahrenheit to mimic that environment. Sierra Leone Starks, Parents, 10 Feb. 2026 Inside Turtle Reef, guests will have the opportunity to play chess, Uno, Jenga, and other games surrounded by panoramic views of sea turtles and tropical fish. Ut Community Press, San Diego Union-Tribune, 21 Jan. 2026 With few exceptions — say, the occasional tropical fish or sauce — the chef hasn’t tinkered with tradition. Tom Sietsema, Washington Post, 17 Jan. 2026 See All Example Sentences for tropical fish

Word History

First Known Use

1931, in the meaning defined above

Time Traveler
The first known use of tropical fish was in 1931

Browse Nearby Words

Cite this Entry

“Tropical fish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tropical%20fish. Accessed 25 Feb. 2026.

Kids Definition

tropical fish

noun
: any of various small usually brightly colored fishes that occur wild especially in the tropics and are often kept in tropical aquariums

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