Clefapex's tentacles vibrate when sounds collide with them, with more violent shakes the louder the sound is. Since the trembling is annoying to Clefapex, it only chooses to come onto beaches at night, where only the washing waves make a sound.
Those attacked by Clefapex's poison will suffer intense pain for three days and three nights. A Clefapex uses its wings to skip lightly as if it were flying.
