Ray-finned fishes finder
| Common name | Scientific name | Family | Order |
|---|---|---|---|
| Red Eel Goby | Caragobius rubristriatus | Gobiidae | Perciformes |
| Red Firegoby | Nemateleotris magnifica | Microdesmidae | Perciformes |
| Red Gurnard | Chelidonichthys kumu | Triglidae | Scorpaeniformes |
| Red Indianfish | Pataecus fronto | Pataecidae | Scorpaeniformes |
| Red Little Gurnard Perch | Maxillicosta raoulensis | Neosebastidae | Scorpaeniformes |
| Red Morwong | Cheilodactylus fuscus | Cheilodactylidae | Perciformes |
| Red Velvetfish | Gnathanacanthus goetzeei | Gnathanacanthidae | Scorpaeniformes |
| Redbreast Maori Wrasse | Cheilinus fasciatus | Labridae | Perciformes |
| Redfin | Perca fluviatilis | Percidae | Perciformes |
| Redfish | Centroberyx affinis | Berycidae | |
| Redlip Morwong | Cheilodactylus rubrolabiatus | Cheilodactylidae | Perciformes |
| Redstripe Basslet | Pseudanthias fasciata | Serranidae | Perciformes |
| Redthroat Emperor | Lethrinus miniatus | Lethrinidae | Perciformes |
| Redtooth Triggerfish | Odonus niger | Balistidae | Tetraodontiiformes |
| Reef Ocean Perch | Helicolenus percoides | Sebastidae | Scorpaeniformes |
| Reef Stonefish | Synanceia verrucosa | Synanceiidae | Scorpaeniformes |
| Regal Angelfish | Pygoplites diacanthus | Pomacanthidae | Perciformes |
| Regal Demoiselle | Neopomacentrus cyanomos | Pomacentridae | Perciformes |
| Reticulated Butterflyfish | Chaetodon reticulatus | Chaetodontidae | |
| Rhino Pipefish | Histiogamphelus cristatus | Syngnathidae | Gasterosteiformes |
| Rhinoceros Leatherjacket | Pseudalutarius nasicornis | Monancanthidae | Tetraodontiformes |
| Ribbon Barracudina | Arctozenus risso | Paralepididae | Aulopiformes |
| Ribbon Eel | Rhinomuraena quaesita | Muraenidae | Anguilliformes |
| Ribboned Seadragon | Haliichthys taeniophorus | Syngnathidae | |
| Ringed Toadfish | Omegophora armilla | Tetraodontidae | Tetraodontiformes |
| Ringeye Hawkfish | Paracirrhites arcatus | Cirrhitidae | Perciformes |
| Ringscale Triplefin | Enneapterygius atrogulare | Tripterygiidae | Perciformes |
| Ring-tail Cardinalfish | Apogon aureus | Apogonidae | Perciformes |
| Ringtail Unicornfish | Naso annulatus | Acanthuridae | Perciformes |