The Southern Opah (Lampris immaculatus), also known as the southern moonfish, is a large, deep-bodied pelagic fish found primarily in the temperate and sub-Antarctic waters of the Southern Hemisphere. Distinguished by its round, laterally compressed body and vibrant silvery-blue coloration, the Southern Opah is valued for its firm, flavorful flesh. The primary countries engaged in the commercial harvest of Southern Opah are New Zealand, Chile, and South Africa, where the species is often caught as bycatch in longline and trawl fisheries targeting tuna, swordfish, and other large pelagic species. While not the main target of commercial fisheries, the Southern Opah's increasing market value and demand, particularly in Asian and European seafood markets, have led these nations to monitor and manage their catches more closely to ensure sustainability.
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Data from FAO. 2025. Global Capture Production. In: Fisheries and Aquaculture.