Professor Saowapa Angsupanich, Ph. D., Department of Aquatic Science, Faculty of Natural Resources, Prince of Songkla University (PSU), revealed that Songkhla Lake ecology has deteriorated by intended and unintended human activities. Nevertheless, the pursuit of research and samplings of bottom-floor animals – which are small animals part of the food chain of other aquatic animals such as shrimps, clams, crabs, fish – showed increasing number of new species on the bed of the Lake.