Davidson, Robert J.2012-06-282012-06-281987http://hdl.handle.net/10092/6681http://dx.doi.org/10.26021/6041This thesis is divided into two chapters, the first chapter contains experiments undertaken in the laboratory on the feeding behaviour of the paddle crab Ovalipes catharus. These experiments are divided into two parts. Part 1 deals with prey selection and foraging behaviours of paddle crabs, and part 2 deals with improvement of predator efficiency by O. catharus. Chapter 2 includes all field studies on the natural food and availability of paddle crab prey.enCopyright Robert J. DavidsonNatural food and predatory activity of the paddle crab, Ovalipes catharus : a flexible forager.Theses / Dissertations