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Predation In A Natural Community Of Marine Mollusks: Using Morphology To Determine Predator-Prey Ecology, Danielle N. Araiza, Erica Valdez
Predation In A Natural Community Of Marine Mollusks: Using Morphology To Determine Predator-Prey Ecology, Danielle N. Araiza, Erica Valdez
DePaul Discoveries
Predatory gastropod mollusks in the family Naticidae feed on bivalve mollusks and leave distinctive markings in the form of countersunk circular boreholes on the shells. These boreholes possess both an inner borehole diameter (IBD) and an outer borehole diameter (OBD) which are proportional to the size of the predator. It has been proposed that the ratio of IBD to OBD can be used to identify predator species. Variation in the ratio of the IBD to OBD was examined in two prey species (Dwarf surf clam, Incongruous ark clam) collected from Otter Island beach in South Carolina to determine if clams …