This is Mote Marine Laboratory's west intake pump from the New Pass dock, Sarasota Bay August 3, 2000. Bay water goes through this pump and is distributed to the lab. One Perna viridis was found.  It was 7.6 mm (0.30 inch).  The east pump had nine P. viridis ranging from 1.2 to 4.0 mm (0.05 to .16 inches).  The east pump was last cleaned April 19, 2000. Here you can see the fouling of Mote Marine Laboratory's west intake system discharge expansion collar from the New Pass dock, Sarasota Bay. On August 3, 2000 two Perna viridis collected ranged from 26.9 to 38 mm (1.06 to 1.50 inches).