I support these comments, yellow mouth also a goo indicator.<a href=showthread.php?s=&postid=11456381#post11456381 target=_blank>Originally posted</a> by traveller7
In my opinion, that is 100% H. magnifica and unfortunately in a seriously bad state. Not sure what you can do when they hit that stage, I have not had one come back from a mouth open that much, column completely flacid, and tentacles appearing necrotic two weeks into captivity.
fwiw: It looks like a candidate for an anti biotic treatment in a hospital tank.