Ray-finned fishes finder
| Common name | Scientific name | Family | Order |
|---|---|---|---|
| Coral Croucher | Caracanthus unipinna | Caracanthidae | Scorpaeniformes |
| Coral Rabbitfish | Siganus corallinus | Siganidae | Perciformes |
| Coral Sea Gregory | Stegastes gascoynei | Pomacentridae | Perciformes |
| Cosmopolitan Rubyfish | Plagiogeneion rubiginosum | Emmelichthyidae | Perciformes |
| Cottonmouth Trevally | Uraspis secunda | Carangidae | Perciformes |
| Cox's Gudgeon | Gobiomorphus coxii | Eleotridae | Perciformes |
| Crab-eye Goby | Signigobius biocellatus | Gobiidae | Perciformes |
| Crescent Grunter | Terapon jarbua | Terapontidae | Perciformes |
| Crested Bandfish | Lophotus guntheri | Lophotidae | Lampridiformes |
| Crested Morwong | Cheilodactylus vestitus | Cheilodactylidae | Perciformes |
| Crested Oyster Goby | Cryptocentroides gobioides | Gobiidae | |
| Crested Weedfish | Cristiceps australis | Clinidae | Perciformes |
| Crimson Soldierfish | Myripristis murdjan (Forsskal, 1775) | Holocentridae | |
| Crimsonband Wrasse | Notolabrus gymnogenis | Labridae | Perciformes |
| Crimsonspotted Rainbowfish | Melanotaenia duboulayi | Melanotaeniidae | Atheriniformes |
| Crimsontip Gudgeon | Butis butis | Eleotridae | Perciformes |
| Crocodilefish | Cymbacephalus beauforti | Platycephalidae | Scorpaeniformes |
| Crowned Puffer | Canthigaster coronata | Tetraodontidae | |
| Cusk | Brotulotaenia sp | Ophidiidae | Ophidiiformes |
| Cuskeel | Barathrites sp | Ophidiidae | Ophidiiformes |
| Dark Surgeon | Acanthurus blochii | Acanthuridae | Perciformes |
| Decorated Glidergoby | Valenciennea decora | Gobiidae | Perciformes |
| Decorated Sandgoby | Istigobius decoratus | Gobiidae | Perciformes |
| Deepsea Blackdevil | Melanocetus murrayi | Melanocetidae | Lophiiformes |
| Deepsea Flathead | Hoplichthys haswelli | Hoplichthyidae | Scorpaeniformes |
| Deepwater Clingfish | Kopua kuiteri | Gobiesocidae | Perciformes |
| Demon Stingerfish | Inimicus caledonicus | Synanceiidae | Scorpaeniformes |
| Desert Goby | Chlamydogobius eremius | Gobiidae | Perciformes |
| Diamond Trevally | Alectis indica | Carangidae |