Cerithiopsis io

Cerithiopsis io is a species of sea snail, a gastropod in the family Cerithiopsidae, which is known from the Caribbean Sea and the Gulf of Mexico. It was described by Dall and Paul Bartsch in 1911.

Description
The maximum recorded shell length is 2.3 mm.

Habitat
Minimum recorded depth is 5.4 m. Maximum recorded depth is 6 m.