1) I saw this starfish, snapped this picture just thinking it was a mutant, came back an hour later and there wer two 3 legged stars. I thought echinoderms were sexual reproducers. Most of the stars in the tank have either 3 or 6 legs, or three legs with three growing. A few have 5 legs though. I have also found groups of tiny 5 legged stars that appear to be the same species, so whats up? 2) What the heck is this red stuff and what should I do? 3) I'm planning on getting either a juvenile cowfish or a valentini puffer, I've read great stuff about both, but I'm bad at making decisions, which one?