Ray-finned fishes finder
| Common name | Scientific name | Family | Order |
|---|---|---|---|
| Greenblotch Parrotfish | Scarus quoyi | Scaridae | Perciformes |
| Grey Knifefish | Bathystethus cultratus | Kyphosidae | Perciformes |
| Grey Morwong | Nemadactylus douglasii | Cheilodactylidae | Perciformes |
| Groovecheek Goby | Nesogobius sp. 4 | Gobiidae | Perciformes |
| Gulf Gurnard Perch | Neosebastes bougainvillii | Neosebastidae | Scorpaeniformes |
| Gunther's Butterflyfish | Chaetodon guentheri | Chaetodontidae | Perciformes |
| Gunther's Wrasse | Pseudolabrus guentheri | Labridae | Perciformes |
| Hairtail Blenny | Xiphasia setifer | Blenniidae | Perciformes |
| Halfband Snake Eel | Malvoliophis pinguis | Ophichthidae | Anguilliformes |
| Halfbanded Seaperch | Hypoplectrodes maccullochi | Serranidae | Perciformes |
| Halimeda Ghostpipefish | Solenostomus halimeda | Solenostomidae | Gasterosteiformes |
| Hammerjaw | Omosudis lowii | Omosudidae | Aulopiformes |
| Hard-drinking Atomgoby | zapotes Trimmatom | Gobiidae | Perciformes |
| Harlequin Fish | Othos dentex | Serranidae | Perciformes |
| Harlequin Smiler | Opistognathus eximius | Opistognathidae | Perciformes |
| Harlequin Snake Eel | Myrichthys colubrinus | Ophichthidae | Anguilliformes |
| Harlequin Tuskfish | Choerodon fasciatus | Labridae | Perciformes |
| Hawaiian Giant Herring | Elops hawaiensis | Elopidae | Elopiformes |
| Hawaiian Triggerfish | Rhinecanthus aculeatus | Balistidae | Tetraodontiformes |
| Headband Humbug | Dascyllus reticulatus | Pomacentridae | Perciformes |
| Herring Cale | Odax cyanomelas | Odacidae | Perciformes |
| Highcrown Seahorse | Hippocampus procerus | Syngnathidae | Gasterosteiformes |
| Highfin Amberjack | Seriola rivoliana | Carangidae | Perciformes |
| Highfin Grouper | Epinephelus maculatus (Bloch, 1790) | Serranidae | Perciformes |
| Hoese's Sandgoby | Istigobius hoesei | Gobiidae | Perciformes |
| Horned Blenny | Parablennius intermedius | Blenniidae | Perciformes |
| Horn-nose Boxfish | Rhynchostracion rhinorhynchos | Ostraciidae | Tetraodontiformes |
| Horseshoe Leatherjacket | Meuschenia hippocrepis | Monacanthidae | Tetraodontiformes |
| Humpback Blackdevil | Melanocetus johnsonii | Melanocetidae | Lophiiformes |
