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 slugs have tentacles or antennae?
Tentacles Like other pulmonary terrestrial abalone, most terrestrial slugs have two pairs of "tentacles" or tentacles on their heads. The upper pair is light-sensing, with eye-spots on both ends, and the lower pair provides a sensation of odor. Both pairs are retractable.
How many tentacles do slugs have?
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. Each eye stalk can move independently and can re-grow if lost.
Do snails and slugs have tentacles?
There are two sets of tentacles on the heads of slugs and snails. The top tentacles are used to see.
What are the tentacles of slugs called?
All sea slug heads have sensory tentacles called antennae. They detect odor and taste, and in most nudibranches, the antennae can be retracted into the basal sheath.
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