Lettuce Sea Slug

| Name: | Lettuce Sea Slug |
| Scientific Name: | Elysia crispata |
| Family: | Sapsucking Slugs |
| Taxonomic: | Plakobranchidae |
| ID Group: | Nudibranchs, Sea Slugs, Sea Hares |
| Size: | up to 4 in. |
| Depth Range: | On the reef (10 – 60 ft.) |
| Sightings: | Seen often |
This Sea Slug has skin ruffles that resemble leaf lettuce, with colors that can vary from green to blue and pastel tones. Large pale blotches appear on the mantle, and it has long, curled rhinophores.
The Lettuce Sea Slug feeds on algae and displays a wide range of colors based on the type of algae it has eaten.