Found dude bro in my tank. Not sure what he is, if he’s harmful or what he eats but I didn’t put him there and my puffer is very interested in him. He took a couple bites out of him in the video. But he has tiny little black eyes and what seems like a hard back the puffer couldn’t bite through. I thought maybe some kind of sea slug but he doesn’t really look like any I’ve seen but he could be a pest and that’s why. Any guesses are appreciated!
