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Rarely Seen Moonfish, Size of Manhole Cover, Caught on Camera

Rarely Seen Moonfish, Size of Manhole Cover, Caught on Camera

National Geographic - Jane J. Lee

Weird & Wild The opah, or moonfish, is a camera-shy animal that researchers know little about. Its squat body and flimsy-looking pectoral fins may not scream speed-demon. But the opah, or moonfish, is actually quite fast, and can run with the big boys like tuna and swordfish. That's just one of many …

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