Characteristics of bacterial clearance were investigated in the
purple sea urchin, Strongylocentrotus purpuratus (Echinodermata:
Echinoidea). Primary clearance kinetics were determined for three
bacteria, a marine Gram negative motile rod, a marine Gram positive non-motile
rod, and a fresh water fish pathogen, Aeromonas salmonicida.
Various doses of live bacteria were injected...