Apricot Sidegill Slug
| Name: | Apricot Sidegill Slug |
| Scientific Name: | Berthellina quadridens |
| Family: | Sidegill Slugs |
| Taxonomic: | Pleurobranchidae |
| ID Group: | Nudibranchs, Sea Slugs, Sea Hares |
| Size: | up to 3.5 in. |
| Depth Range: | On the reef (10 – 60 ft.) |
| Sightings: | Seen very rarely |
This Sidegill Slug has a smooth, oval-shaped body with colors ranging from pale yellow to deep orange or bright red. Its rhinophores are coiled, and it has a wide, flattened mouth.