That's nuts! Besides just being insane, maybe he's hungry or something in the water makes him want out. Stray electricity perhaps?
I have the water grounded and just re-did the elec in the house prior to my build there arent any power heads or pumps in the water with the exception of the skimmer which ext. Ill check it tonight tho just to be sure. He decided to return to the rocks in his usual spot and pouted the last time I thur him back in
Hes gonna get you in your sleep