: any of numerous venomous aquatic chiefly viviparous elapid snakes of warm seas
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An El Niño creates a much narrower band of warm water, Leising explained, bringing species such as tropical sea snakes or red crabs up the coast.—Laylan Connelly, Oc Register, 27 Mar. 2026 But his game ended abruptly after a second, very real bite from a black and white banded sea snake, also known as a sea krait, which forced his medical evacuation.—Terry Terrones, HollywoodReporter, 10 Oct. 2025 Scott Reef is a remote ecosystem millions of years old that’s home to a diverse array of marine life including endangered dusky sea snakes and migratory pygmy blue whales.—Hilary Whiteman, CNN Money, 28 May 2025 Take, for example, a species of sea snake that inhabits the inland bays of New Caledonia, an island in the Pacific Ocean.—Stephen S. Hall, Time, 21 Apr. 2025 See All Example Sentences for sea snake