i don't have one but i saw them on this site and i want one they look kool but i wonder if they can kill you when acclimating them or moving thing in the tank. but they are very kool and i want one, they look like one-gulp fish so they would eat smaller fish and inverts but i don't know if u can put them with in with other fish. https://www.saltwaterfish.com/vb/showthread.php?t=122793