Posted by solito de solis on 11-11-2015 21:30
#2
HI
by experience and with the infos given, it seems to me
a Physa acuta egg mass
Physa acuta is an aquatic mollusk gastropod
SDS
you could see here the cycle of Physa
and the egg cluster on minute 11:00
YouTube Video
Edited by solito de solis on 11-11-2015 22:16