Sangeetha raised her hand 'Please Professor, Plimpys live at the bottom of deep lakes where they are in search of food, such as snails.'

She thought for a split second then said 'They tend to nibble on the feet and clothes of swimmers, too.' She smiled. That part was actually funny for her, but she knew she wouldn't like it if she had a Plimpy nibbling her clothes or feet for that matter!