Family Chaetodontidae
Butterflyfishes

| Scientific name | Hemitaurichthys thompsoni Fowler, 1923 |
| Common name | THOMPSON'S BUTTERFLYFISH |
| Habitat | Reefs and walls exposed to strong current and deep water |
| Depth | 10 to 1000 feet |
| Diet | Zooplankton |
| Size | 8 inches |
| Abundance | Uncommon |
| Distribution | Hawaii, Johnston Is., Line Is., Samoa, Marianas, Tuamotus |
| Notes | Usually seen in mixed-species aggregations above the reef |