Nerita histrioNerita histrio is a species of small to medium-sized sea snails. They are typically found in rocky structures in coastal areas. It has a thick and heavy shell, and a distinct shell color that varies across individuals.Distribution and habitatThis species can be found on rocky shores or any structures near the coast, and has been spotted the most times at in Thailand.DescriptionNerita histrio is characterized by a thick and heavy shell with spiraled grooves along the sides. It was first identified by Carl Linnaeus in 1758 in Systema Naturae. Their length ranges between and. There is a protective operculum seal around the entrance of the shell.