Endangered
6 species| Photo | English | සිංහල | தமிழ் | Scientific name | IUCN | Endemic |
|---|---|---|---|---|---|---|
| Cauliflower Coral | — | — | Pocillopora verrucosa | EN | — | |
| Ceylon Killifish | — | — | Aplocheilus dayi | EN | Endemic | |
| Ceylon Rose Swallowtail | — | இலங்கை இளஞ்சிவப்பு அழகி | Pachliopta jophon | EN | Endemic | |
| Common Rough-Sided Snake | Aspidura trachyprocta | — | Aspidura trachyprocta | EN | Endemic | |
| Conical Wart Pygmy Tree Frog | — | — | Pseudophilautus schmarda | EN | Endemic | |
| Cope’s Rough-Sided Snake | — | — | Aspidura copei | EN | Endemic |
