Fish
14 species| Photo | English | සිංහල | தமிழ் | Scientific name | IUCN | Endemic |
|---|---|---|---|---|---|---|
| Darktail Snapper | — | — | Lutjanus lemniscatus | LC | — | |
| Deccan Mahseer | — | — | Tor khudree | LC | — | |
| Decorated Sandgoby | — | — | Istigobius decoratus | LC | — | |
| Devil Scorpionfish | — | — | Scorpaenopsis diabolus | LC | — | |
| Diamond Trevally | — | அந்திப்பன்னா | Scyris indica | LC | — | |
| Diana’s Hogfish | — | — | Bodianus diana | LC | — | |
| Dorab Wolf Herring | — | — | Chirocentrus dorab | LC | — | |
| Dot-And-Dash Goatfish | — | — | Parupeneus barberinus | LC | — | |
| Doublebar Rabbitfish | — | — | Siganus virgatus | LC | — | |
| Dusky Surgeonfish | — | — | Acanthurus nigrofuscus | LC | — | |
| Duskytail Grouper | — | — | Epinephelus bleekeri | DD | — | |
| Dussumier’s Ponyfish | — | — | Karalla dussumieri | LC | — | |
| Dussumier’s Rockskipper | — | — | Istiblennius dussumieri | LC | — | |
| Dwarf Panchax | — | — | Aplocheilus parvus | LC | — |
