Each of the fish groups has its own subpage(s), and a few representative pictures to help you figure out what that group looks like.

Group	Sample Photos
Angelfishes
Barracudas
Blennies, Gobies and Jawfishes
Boxfishes, Porcupinefishes and Pufferfishes
Butterflyfishes
Damselfishes
Drums
Eels
Flatfishes
Goatfishes
Groupers
Grunts
Hogfishes
Lizardfishes
Parrotfishes
Red Fishes (squirrelfishes, soldierfishes, cardinalfishes)
Remoras
Scorpionfishes and Toadfishes
Sea Basses and Basslets
Seahorses and Pipefishes
Sharks and Rays
Silvery Fishes (jacks, chubs, spadefishes)
Snappers
Surgeonfishes and Tangs
Triggerfishes and Filefishes
Trumpetfishes and Needlefishes
Wrasses