O·pah n. Zool. A large oceanic fish (Lampris guttatus), inhabiting the Atlantic Ocean. It is remarkable for its brilliant colors, which are red, green, and blue, with tints of purple and gold, covered with round silvery spots. Called also king of the herrings.
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Lampris guttatus
n : from Nova Scotia to West Indies and Gulf of Mexico [syn: New
World opah]