English

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Etymology

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From the brand name Sea-Monkeys.

Noun

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sea monkey (plural sea monkeys)

  1. A brine shrimp, sold as a novelty aquarium pet.
    • 2008, Anna Nicholas, Cat on a Hot Tiled Roof: Mayhem in Mayfair and Mallorca:
      'I think one of my sea monkeys is ill.'
      He holds the small plastic sea tank aloft and points at a black speck the size of a pinhead.
    • 2011, Linus Christian Rollman, Greg Logan Neps, Crocodiles and Coconuts, page 44:
      Greg is a sea monkey farmer. Every year he sells 4.5% of his herd (if that's what you'd call a group of sea monkeys) at the international sea monkey auction.