The sand snail is a small top snail that lives on the sandy tidal flats of Korea's west coast, around the Yellow Sea. It has also been reported from the coast of China and Japan. It does not occur in the United States.

Appearance

Appearance
A small, low cone-shaped shell. Snails examined in one Korean study were about 0.1–0.4 in (3–9 mm) tall. It is faintly bluish with wavy gray rays, and the inside is pearly.

Where it lives

Typical habitats
  • sandy tidal flats
  • sandy beaches
Range
West coast of Korea, with reports from the coasts of China and Japan. Not found in North America.

Behavior

Activity
It burrows into the sand when the tide goes out.

Life cycle

Reproduction
Males and females are separate, and females lay eggs. In a study on Korea's west coast, spawning ran from July to October and peaked in September.

Conservation

IUCN Red List
NENot EvaluatedNot yet assessed

More species to explore

Record what you meet and build your own collection

Your photos are kept with their date and place, and you can fill regional albums one species at a time.

Sand Snail (Umbonium thomasi) — identification, habitat & look-alikes | Moeyo