1
as in marine
of or relating to the sea among pelagic animals the undisputed king is the blue whale, the largest creature currently roaming the face of the earth

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2
as in oceanic
of, relating to, or occurring in the open sea at one time pelagic whaling was the cornerstone of the island's economy

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Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of pelagic Some 134,000 tons of frozen pelagic fish — such as sardines, anchovies, mackerel, sprats and herring — are thawed and tossed into European tuna cages every year. Julia Amberger, Nanni Fontana, Marzio Mian, & Nicola Scevola (tr. Elettra Pauletto), The Dial, 3 Apr. 2025 Tropic Fish is known for being a pelagic fishery with a remarkably sustainable footprint. Alissa Fitzgerald, Forbes, 21 Mar. 2025 Ongoing projects involve monitoring migrating humpback whales, testing water acidification levels, and tagging pelagic fish. Kathryn Romeyn, AFAR Media, 26 Feb. 2025 However, while pelagic sharks thrived, some species faced physiological limits in extremely warm waters. Melissa Cristina Marquez, Forbes, 1 Nov. 2024 See All Example Sentences for pelagic
Recent Examples of Synonyms for pelagic
Adjective
  • The cloud may disorient and impair the vision of marine life that depend on sight to navigate or hunt for prey—or smother others.
    ArsTechnica, ArsTechnica, 19 May 2025
  • These strands, which conduct information as pulses of light, have long been vulnerable to accidental damage by fishing trawlers and curious marine predators; more recently, there are fears that they’ve been targeted by saboteurs in the Baltic and the Taiwan Strait.
    Katy Waldman, New Yorker, 19 May 2025
Adjective
  • Top Ocean Predators This transition shifted the composition of top predators in the ocean, essentially changing the oceanic food webs of the Late Cretaceous, according to Valentin Fischer of the Université de Liège in Belgium and his colleagues.
    Paul Smaglik, Discover Magazine, 2 May 2025
  • In fact, the global population of oceanic sharks and rays has dropped by 71% over the past 50 years.
    Melissa Cristina Márquez, Forbes.com, 1 May 2025
Adjective
  • The new study suggests, however, that records of ancient tsunamis may be found in the form of amber and other terrestrial material deposited in deep-sea sediments.
    Sam Walters, Discover Magazine, 15 May 2025
  • The practice of deep-sea mining involves using machinery to remove minerals and metals — such as cobalt, nickel, copper and manganese — from the seabed.
    Sam Meredith, CNBC, 15 May 2025

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“Pelagic.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/pelagic. Accessed 27 May. 2025.

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