Janthina exigua

Janthina exigua, also known as the dwarf janthina, is a species of small holoplanktonic sea snail, a marine gastropod mollusk in the family Epitoniidae, the violet snails or purple storm snails.

Distribution
This species is pelagic, and occurs around the world in tropical waters, in other words it is circumequatorial.

It has been recorded from:
 * The Atlantic Ocean
 * British Isles
 * European waters
 * Madagascar
 * Mascarene Plateau
 * Mediterranean Sea
 * Mozambique
 * The Pacific Ocean
 * South Africa
 * The West Coast of Ireland

Description
The maximum recorded shell length is 15.3 mm.

Habitat
Minimum recorded depth is 0 m. Maximum recorded depth is 0 m.