Japonactaeon punctostriatus

Actaeon punctostriatus (C. B. Adams, 1840) Rictaxis punctostriatus (C. B. Adams, 1840) Japonactaeon punctostriatus, common names Adam's baby bubble and pitted baby-bubble, is a species of small sea snail or "bubble snail", a marine gastropod mollusc or micromollusc in the family Acteonidae, the "barrel bubble" snails.

This barrel bubble snail has an ovate white shell with shouldered whorls.

The body whorl has 10 -14 slightly irregular spiral grooves.

The maximum recorded shell length is 7.5 mm.

The eggs are laid in a spiral string, enclosed in a mucus tube.