Philippines (2013) | Apo Reef

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Philippines (08-18Feb13) 0325_2.jpg
Apo Reef, Sulu Sea -- Redtooth triggerfish sleeping in a crevice at night.<br />
Triggerfish seek protection in crevices or holes at night. When they found their spot, they extend the trigger on their dorsal fins an thus wedge themselves tightly into the hole so predator can't drag them out.