Illustration of cuttlefish
cuttlefish
noun
cut·tle·fish
ˈkə-tᵊl-ˌfish 
: any of various marine cephalopod mollusks (order Sepiida, especially genus Sepia) having eight short arms and two usually longer tentacles and differing from the related squid in having a calcified internal shell
Examples of cuttlefish in a Sentence
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Now, researchers have captured four specific cuttlefish camouflage techniques on video, revealing more about this mesmerizing ability.
—
Sara Hashemi, Smithsonian Magazine, 5 Mar. 2025
Specifically, cuttlefish readily adapted their skin patterns to match different backgrounds, whether natural or artificial.
—Jennifer Ouellette, Ars Technica, 20 Feb. 2025
Decoding Deception: The binding affinity of cuttlefish ink on shark smell receptors.
—Josh Hammer, Newsweek, 14 Feb. 2025
When scientists reared pharaoh cuttlefish embryos in the same tank as unassuming clownfish, initially, the embryos stayed put.
—Sofia Quaglia, Discover Magazine, 29 Oct. 2024
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Sara Hashemi, Smithsonian Magazine, 5 Mar. 2025
Specifically, cuttlefish readily adapted their skin patterns to match different backgrounds, whether natural or artificial.
—Jennifer Ouellette, Ars Technica, 20 Feb. 2025
Decoding Deception: The binding affinity of cuttlefish ink on shark smell receptors.
—Josh Hammer, Newsweek, 14 Feb. 2025
When scientists reared pharaoh cuttlefish embryos in the same tank as unassuming clownfish, initially, the embryos stayed put.
—Sofia Quaglia, Discover Magazine, 29 Oct. 2024
See All Example Sentences for cuttlefish
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Cite this Entry
“Cuttlefish.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cuttlefish. Accessed 24 Mar. 2025.
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cuttlefish
noun
cut·tle·fish
-ˌfish
: a marine mollusk having eight short arms and two longer tentacles and differing from the related squid in having an internal shell composed of compounds of calcium
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