Family Chaetodontidae
Butterflyfishes

| Scientific name | Chaetodon unimaculatus Bloch, 1787 |
| Common name | TEARDROP BUTTERFLYFISH |
| Hawaiian | Lauhau |
| Japanese | Itten-chocho-uo |
| Samoan | Tifitifi-pulesama |
| Habitat | Reefs |
| Depth | To 200 feet |
| Diet | Coral polyps, small invertebrates, filamentous algae |
| Size | 8 inches |
| Abundance | Uncommon |
| Distribution | Indo-Pacific, including Hawaii |
| Notes | Indian Ocean fish are mostly yellow |