Accumulation of copper and other elements by the apple snail Pomacea canaliculata Silvia C. Peña Naga City Employees Housing Project, San Felipe, Naga City, Philippines. Email:
[email protected],
[email protected] Abstract Heavy metal pollution is now prevalent in almost all aquatic ecosystems and will eventually affect human health. There is, then, a need to monitor the presence of these heavy metals. Studies have shown that Pomacea canaliculata is a potential biomonitor of heavy metals in freshwater ecosystems because of its ability to bioaccumulate a wide array of elements and because it is a better accumulator than some of the other organisms considered. Studies of bioaccumulation by P. canaliculata are reviewed. Additional keywords: Ampullariidae, Filopaludina martensi, fresh water, heavy metals, Ipomoea aquatica, Mollusca, Potamogeton crispus, sediment Introduction The increasing accumulation of heavy metals in the environment, especially in aquatic ecosystems, needs monitoring and this calls for a monitoring tool. Several studies have been done to assess the apple snail Pomacea canaliculata as a metal biomonitor in freshwater ecosystems. Pomacea canaliculata is an agricultural pest that has continued to spread despite numerous attempts to eliminate it or prevent its spread. Since it cannot be eliminated, is found in almost any freshwater ecosystem in many countries, is big enough to provide sufficient material (soft tissue) for analyses and because it is easy to handle, easy to collect, easy to culture, long lived, numerous, sedentary and can survive for a long time without food, it has the potential to be used widely as a heavy metal biomonitor. This contribution reviews studies of Pomacea canaliculata that have been done to assess its bioaccumulation of heavy metals.