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Cleaner Wrasse Fish
Photo: Cleaner wrasse fish remove parasites from a motionless bigeye fish
WALLPAPER
Two tiny cleaner wrasses (one above; one in mouth) groom a bigeye fish in the blue waters of the Republic of Palau. Cleaner wrasses, known as the reef's vacuum cleaners, suck morsels of food, parasites, and dead skin from reef fish.
Photograph by Timothy G. Laman

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