Slugs

Location : Palode, Thiruvananthapuram

Kingdom : Animalia
Phylum    : Mollusca
Class      : Gastropoda

Slug is a common name for mollusks that lacks a shell, and applied to air breathing land slugs. The body of the slugs are so soft which needs moisture. 

So they are seen in moist environment.

slugs have two pairs of 'feelers' or tentacles. Both pairs are retractable