86 tree species in moist evergreen forest, 44 plant species in limestone karst, 95 mammals, 96 reptiles, 46 amphibians, 296 birds and 118 fish species have been recorded. There are 40 rare species and 95 species under the IUCN Red List, six species are critically endangered, 15 species are endangered species, and 47 are threatened species
Unique Flora: The species with highest Important Value Index Plant Species include the Hopea griffithii, Dipterocapus grandiflorous, Palaquium impressionervium, Endemic plan species include: Khaosokia cariocoides, Impatiens sirindhorniae, Rafflesia kerri, Maxburretia furtadoana, Paphiopedilum exul, Paphiopedilum godefroyae
Unique Fauna: Endemic species include: Storm’s Stork and Craspedacusta sp. Other important species:
Mammals: two critically endangered species (CR), such as Manis javanica, Panthera pardus and seven endangered species, such as Hipposideros turpis, Presbytis melalophos, Hylobates lar, Cuon alpinus, Viverra megaspilla, Elephas maximus, and Tapirus indicus, and 15 vulnerable species. Reptiles: two critically endangered species, Manouria emys and Indotestudo elangata and three endangered species – Heosemys spinosa, Hieremys annandalei, and Boiga sangsono There are three critically endangered bird species, such as Buceros vigil, Alcedo euryzona, and Ichthyophoga ichthyaetus One critically endangered fish species was found, which is Pangasianodon gigas, and there are three endangered species, such as Scieropages formasus, Chitala topis, and Laubuca caeruleostigmata
Habitat Types: Main ecosystem is moist evergreen forest covering around 65% of the area. Freshwater reservoir covered around 25% of the park. Limestone karst is another key feature of the national park covering around 9%.
