Giant Tun
| Name: | Giant Tun |
| Scientific Name: | Tonna galea |
| Family: | Tuns |
| Taxonomic: | Tonnidae |
| ID Group: | Snails, Clams & Shells |
| Size: | up to 7 in. |
| Depth Range: | On the reef (10 – 60 ft.) |
| Sightings: | Not usually seen |
This Snail has a large, rounded shell with ridges that look like bands. The body is white with dark patches or spots in an irregular, marbled pattern.