You're only going to be able to get the worst bugs out. After that I guarantee your players will continue to find more weird random obscure ones as they do things you didn't think to do in testing XD
So try to get all the bugs but know you're not going to get all the bugs :)
The shark looks pretty cool, it looks a bit like it's drifting in the screenie XD
Bug hunting also improves and unlocks fresh programming skills...but yeah have to call it with bugs at some point and deal with some with updates.