Ghostly seadevil 
Giant barb 
Giant gourami 
Giant grouper 
Giant hatchetfish 
Giant hawkfish 
Giant moray 
Giant Mottled Eel 
Giant prawn-goby 
Giant sunfish 
Giant trevally 
Gigantura chuni 
Gilded Triggerfish 
Girdled Cardinalfish 
Glaniopsis hanitschi 
Glass catfish 
Glasseye 
Gobius tetrophthalmus 
Goeldi’s tube-snouted ghost knifefish 
Gold-Spotted Mudskipper 
Gold-Spotted Sweetlips 
Goldband fusilier 
Goldbelly Cardinalfish 
Goldbelly Damsel