I think it's frogspawn. Hammer usually has the elongated hammer shape at the end of each tentacle, wheras frogspawn has circular tips and often splits toward the end of the tentacle...the pic looks like it's doing that.<a href=showthread.php?s=&postid=9506299#post9506299 target=_blank>Originally posted</a> by Zaphod
actually maybee a hammer coral.