Characterized by their large green bodies and beak-like teeth, bumphead parrotfish can be found near the coral reefs of the Indo-Pacific. These large corallivores use their mighty teeth to grind up the hard exterior of coral in search of the small creatures living inside. If you've ever visited a beach in these regions, you've probably relaxed on the sandy remnants of this coral-based diet. In other words, that beach is full of crap! National Geographic grantee Mikayla Wujec fills us in in this episode of Today I Learned.