GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY
Greenthroat parrotfish (Scarus prasiognathos) grazing on reef. Terminal male greenthroat, or Singapore, parrotfish grazing on an algae-covered coral boulder. This parrotfish (family Scaridae) is native to the coral reefs of the Indian and western Pacific Oceans. Photographed in the Andaman Sea, Thailand.
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