SpongeBob SquarePants: Battle for Bikini Bottom/Mermalair

The Prawn boss fight is located in the mermalair, you need to press all the security override buttons and then press the master shutdown button. Then, go in the Villain Containment Area.

How to beat him
To beat him, dodge his attacks, then wait until the disco floor around him is flashing colors, and then bubble bowl down the non-flashing color disco floor path. Repeat this 2 more times to beat him. After beating him, you get a Golden Spatula.

Attacks

 * Firing Sonic sound waves at you
 * Creating robots