The reason most people vomit when severely motion sick is because the symptoms of motion sickness (vertigo, disorientation, and balance problems) mimic the symptoms of poisoning and the body attempts to purge itself of any remaining ingested toxins as a self-protective measure.

The Nopili Rock-Climbing Goby has a rather peculiar talent: it uses suckers in its mouth and on its belly to suction onto the rock faces of waterfalls and scale them one well-timed movement at a time.