What is eye stalk used for?

Eye Stalk is a flora that mostly found in deeper water, such as in cave systems. It is a decorative plant that can be harvested, but has no known utility other than just a decoration. The only recipe that has eye stalk in it is to craft the hatching enzyme.

Do snails have Eyestalks?

Eyestalks are a specialized type of tentacle. ... In slugs and snails, these tentacles will regrow if severely damaged, and in some species, are retractable. Crustaceans also have eyestalks, consisting of two segments.