dolphinfish

noun

dol·​phin·​fish ˈdäl-fən-ˌfish How to pronounce dolphinfish (audio)
ˈdȯl-
: either of two colorful, iridescent, saltwater fish (Coryphaena equiselis and C. hippurus of the family Coryphaenidae) that are widely distributed in tropical and temperate seas and have a long laterally compressed body and a deeply forked tail fin

Note: The common dolphinfish (Coryphaena hippurus) is valued as a food fish and is often called mahi-mahi.

Word History

First Known Use

1840, in the meaning defined above

Time Traveler
The first known use of dolphinfish was in 1840

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Cite this Entry

“Dolphinfish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dolphinfish. Accessed 5 Jul. 2026.

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