Acusta sieboldtiana is a thin-shelled, see-through land snail that's common in gardens and farm fields across Japan; it isn't known from the US. Until recently it was often treated as a subspecies of the Okinawan snail (Acusta despecta), but DNA studies show it's a separate lineage. It's sometimes called Siebold's globular snail in English.
Appearance
- Appearance
- The shell is about 3/4 in (2 cm) tall and 1 in (2.5 cm) wide, thin, translucent, and amber to purplish brown. Its lip stays thin even in adults.
Where it lives
- Typical habitats
- gardens
- farm fields
- around houses
- Range
- Japan, from southern Hokkaido to Kyushu.
- Preferred conditions
- Prefers bright, open spots near people and is rarely found in forests.
Behavior
- Diet
- Young shoots of vegetables and flowers and tree seedlings, so it can be a garden and crop pest in Japan.
- Activity
- Mostly active at night once temperatures rise above about 50°F (10°C).
Life cycle
- Lifespan
- About a year and a half.
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.