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Lettuce sea slug
Tridachia crispata
(Mörch, 1863)

Description:
The skin ruffles on its back and the greenish color give this nudibranch its name. The color, however, can be variable from almost white to blue. Two large rhinophores or antennae on the head. White spots on the body.
Size: up to 15 cm.

Habitat:
Lives on reefs, sandy bottoms coral rubble, even near beaches. Vegetarian.
Depth: ranges from 1 m down to 12 m.

Distribution:
Common all over the Caribbean.

Lettuce sea slug (Tridachia crispata)