Tentacles Like other 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.
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.
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.
Do snails have antennae or tentacles?
Antennae — A long protrusion from the snail's head that detects scent and orientation and sometimes produces eye-spots. Also called a tentacle.
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. The stems of each eye can move independently and can re-grow if lost.
Below you will find two helpful answers on a similar topic. 👇
What are a snails eye stalks called?What are the things on a Slugs head called?
