Tilapia and mullet are the commonly fished varieties in the area while Channa spp. are also caught occasionally. Mugger crocodile, Indian flap-shelled turtle and Indian black turtle are the common reptiles inhabiting the park. Mammals such as golden jackal, wild boar, Sri Lankan elephant, European otter, and fishing cat also visit the swamp to feed. The number of elephants roaming in the Kumana is estimated at 30–40.
