Originally Posted by ViPeR_930
It's just taking a dump. . Not linked to reproduction.
Agreed that looks nothing like a spawing event, it also a BTA in which it would split by asexual methods ie..lateral fission, not by sending gamets into the water column.
By the way ameno, You have posted pics of a rock/flower and the RBTA, what is the other one that you have, can you post a pic.