: any of an order (Coelacanthiformes) of lobe-finned fishes known chiefly from Paleozoic and Mesozoic fossils
Illustration of coelacanth
Examples of coelacanth in a Sentence
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That story was told in the studio by Professor Julian Huxley, an evolutionary biologist, who used pickled wildlife specimens and a photograph of a coelacanth to explain the fish’s significance.—ABC News,
8 May 2026 The coelacanth’s deep-ocean habitat essentially shielded it from the chaos happening at the surface.—
Hanna Wickes,
Charlotte Observer,
27 Feb. 2026 According to the Smithsonian National Museum of Natural History, the coelacanth is one of the most famous living fossils.—
Avery Hurt,
Discover Magazine,
18 July 2025 The Indonesia coelacanth is a challenging species to research due to its deep-reef habitat.—
Anthony Robledo,
USA Today,
7 May 2025 See All Example Sentences for coelacanth
Word History
Etymology
ultimately from Greek koilos hollow + akantha spine — more at cave