A tip for fish farmers, the flyer summarizes the life history of 'suso' or Cerithidea cingulata which are considered pests in bangus or milkfish ponds. Recommends steps to deal with the problem, such as complete sun-drying of ponds and installing gate screens, use of metaldehyde instead of the banned Brestan and triphenyltin, and turning 'suso' into farm income.