There are two sets of tentacles on the heads of slugs and snails. The top tentacles are used to see.
Do slugs have tentacles?
Slugs have two pairs of retractable tentacles. The pair above the tentacles is called the optical tentacles and is the eye of a slug. Optical tentacles have light-sensitive eye-spots on the edges that can be regrown if lost. These are also used for odors.
Do snails have tentacles?
Like other mollusks, terrestrial snails have a cloak and one or two pairs of tentacles on their heads.
What are snail tentacles?
There are two pairs of retractable tentacles on the heads of slugs and snails. The upper optical tentacles have light-sensitive eye-spots on both ends. The stems of each eye can move independently and can re-grow if lost. The eye stalk is also used for the sense of smell.
Do snails have tentacles or antennae?
Antennae — A long protrusion from the snail's head that detects scent and orientation and sometimes produces eye-spots. Also called a tentacle.
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