Ray-finned fishes finder
| Common name | Scientific name | Family | Order |
|---|---|---|---|
| Humpback Scorpionfish | Scorpaenopsis macrochir | Scorpaenidae | Scorpaeniformes |
| Humphead Maori Wrasse | Cheilinus undulatus | Labridae | Perciformes |
| Immaculate Damsel | Mecaenichthys immaculatus | Pomacentridae | Perciformes |
| Immaculate Glidergoby | Valenciennea immaculata | Gobiidae | Perciformes |
| Imperador | Beryx decadactylus | Berycidae | Beryciformes |
| Incised Gurnard Perch | Neosebastes incisipinnis | Neosebastidae | Scorpaeniformes |
| Indo-Pacific Sergeant | Abudefduf vaigiensis | Pomacentridae | Perciformes |
| Ingolf Duckbill Eel | Nessorhamphus ingolfianus | Derichthyidae | Anguilliformes |
| Javelin Pipefish | Lissocampus runa | Syngnathidae | |
| Jellynose Fish | Ateleopus sp. | Ateleopodidae | |
| John Dory | Zeus faber | Zeidae | Zeiformes |
| Johnson's Gurnard Perch | Neosebastes johnsoni | Neosebastidae | Scorpaeniformes |
| Jointed Razorfish | Aeoliscus strigatus | Centriscidae | Gasterosteiformes |
| Jungle Perch | Kuhlia rupestris | Kuhliidae | Perciformes |
| King Gar | Scomberesox saurus | Scomberesocidae | Beloniformes |
| Klein's Butterflyfish | Chaetodon kleinii | Chaetodontidae | Perciformes |
| Knifejaw | Oplegnathus woodwardi | Oplegnathidae | Perciformes |
| Krasyukova's Perch | Caprodon krasyukovae | Serranidae | Perciformes |
| Lance Blenny | Aspidontus dussumieri | Blenniidae | Perciformes |
| Lantern Toby | Canthigaster epilampra | Tetraodontidae | Tetraodontiformes |
| Largehead Hairtail | Trichiurus lepturus | Trichiuridae | Perciformes |
| Largemouth Threefin | Ucla xenogrammus | Tripterygiidae | Perciformes |
| Largescale Grunter | Terapon theraps | Terapontidae | Perciformes |
| Largescale Neoscopelid | Neoscopelus macrolepidotus | Neoscopelidae | Myctophiformes |
| Largescale Saury | Saurida undosquamis | Synodontidae | Aulopiformes |
| Largetooth Beardie | Lotella rhacina | Moridae | Gadiformes |
| Largetooth Conger | Bathyuroconger vicinus | Congridae | Anguilliformes |
| Largetooth Flounder | Pseudorhombus arsius | Paralichthyidae | Pleuronectiformes |
| Latchet | Pterygotrigla polyommata | Triglidae | Scorpaeniformes |