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Created page with "==Introduction== The opah, also known as the moonfish, is a large, colorful, and deep-bodied fish belonging to the family Lampridae. This marine species is notable for its unique physiology and ecological role in the oceanic environment. The opah is the only known fully warm-blooded fish, a characteristic that sets it apart from most other fish species. This article delves into the biological, ecological, and physiological aspects of the opah, providing a comprehensive..."