mirror doryn. a bright silver marine fish, Zenopsis nebulosa (family Zeidae), widely distributed in the Pacific Ocean and fished commercially in some areas.
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1922 N.Z. Jrnl. Sci. & Technol.5 95 During April the trawler ‘Nora Noven’ secured small numbers of mirror dory in about 40 fathoms in Cook Strait.
1982 T. AylingCollins Guide Sea Fishes N.Z. (1984) 181Mirror dories are a uniform silver in colour, so bright as to be almost mirror-like.