Data deficient
17 species| Photo | English | සිංහල | தமிழ் | Scientific name | IUCN | Endemic |
|---|---|---|---|---|---|---|
| Andaman Butterflyfish | — | அந்தமான் பட்டாம்பூச்சி மீன் | Chaetodon andamanensis | DD | — | |
| Austin’s Mabuya | — | — | Eutropis austini | DD | Endemic | |
| Bartail Flathead | — | — | Platycephalus indicus | DD | — | |
| Duskytail Grouper | — | — | Epinephelus bleekeri | DD | — | |
| Greer’s Mabuya | — | — | Eutropis greeri | DD | Endemic | |
| Gulf Torpedo | — | — | Torpedo sinuspersici | DD | — | |
| Horsfield’s Shrew | — | கார்சுபீல்டின் மூஞ்சூறு | Crocidura horsfieldii | DD | — | |
| Indian Duskhawker | — | — | Gynacantha dravida | DD | — | |
| Indian Halibut | — | நாய் அடல்மீன் | Psettodes erumei | DD | — | |
| Indo-Pacific Tarpon | — | — | Megalops cyprinoides | DD | — | |
| Jerdon’s Burrowing Frog | — | — | Sphaerotheca pluvialis | DD | — | |
| Malabar Sprat | — | — | Ehirava fluviatilis | DD | — | |
| Orca | — | ஓர்க்கா திமிங்கலம் | Orcinus orca | DD | — | |
| Pugnose Ponyfish | — | — | Deveximentum insidiator | DD | — | |
| Southern Platyfish | — | — | Xiphophorus maculatus | DD | — | |
| ඉරි තුඩුල්ලා | — | — | Rhinophis lineatus | DD | Endemic | |
| උල්තුඩුල්ලා | — | — | Rhinophis oxyrhynchus | DD | Endemic |
