MacNeill's Basslet (Whitley, 1935)
| Scientific Name | Assessor macneilli |
| Diet | Carnivore |
| Alt Common Name | Blue Devilfish, Blue Assessor |
| Family | Plesiopidae |
| Origin | Western Pacific |
| Aquarist Level | Beginner |
| Reef Safe | Yes |
| Coloration | Dark Blue |
| Disposition | Peaceful. |
| Hardiness | Hardy |
| Compatibility | Compatible with other families, can be somewhat territorial with other members of the same genus. |
| Mature Size | 3 in. |
| Sexual Dimorphism | None Visible |