Foureye butterflyfish (Chaetodon capistratus). Note parasitic isopod, Anilocra, below eye. Parasite always orients self towards front of fish.
Image ID: reef1618, NOAA's Coral Kingdom Collection Location: Caribbean Sea Photographer: Dr. Dwayne Meadows, NOAA/NMFS/OPR Category: Reef fish/ • High Resolution Photo Available
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