WhyReef - Fun Facts
The bullethead parrotfish is one of the most colorful fish on the reef, as well as one of the most common! At night, when it is sleeping, it has a special way of protecting itself from predators: hiding under a coral ledge and then spewing up a sac of mucous that hides its scent, or smell, so predators can’t detect it. It then sleeps inside this mucous sac until morning.
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