A AllenJames Reefer Nov 14, 2006 #1 I got load of lumps of it on my rock and it seems to be "growing" [/img] Attachments P1100041.JPG 43.1 KB · Views: 1,172
A Anonymous Guest Nov 14, 2006 #2 It's a species of Porifera (sponge) harmless filter feeder. Regards, David Mohr
C Charlesr1958 Experienced Reefer Nov 15, 2006 #3 Looks to me to be more like a tunicate, possibly a Lissoclinum such as the one shown below. Chuck