Thuridilla undula
- Usual depth1–15 m
- Water temperature20–30 °C
- Best monthsMarch, May, and November
- How commonRare
Where and when
Where it has been recorded
Worldwide
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Best months
Worldwide (open data)
- January: 5 records
- February: 4 records
- March: 11 records
- April: 0 records
- May: 10 records
- June: 0 records
- July: 4 records
- August: 4 records
- September: 3 records
- October: 6 records
- November: 9 records
- December: 2 records
Depth and water temperature
Depth
Mostly recorded at 1–15 m · Deepest record: 15 m
Water temperature
Recorded in surface water of 20–30 °C
Names and classification
Names in 1 more languages
- Japanese
- シラナミミドリガイ
Similar species
Slender Sap Sucking SlugThuridilla gracilis
White-marked Taco SlugThuridilla albopustulosa
Midnight Taco SlugThuridilla hoffae
Sources and credits
Names and taxonomy: WoRMS (CC BY 4.0) and the GBIF Backbone (CC BY 4.0). Photos: iNaturalist observers, each under the licence shown (CC0, CC BY or CC BY-SA).
- Depth, temperature, months and maps: records from OBIS and GBIF under CC0 or CC BY.
- Conservation status as published by GBIF (IUCN Red List).
- 62 open-data records from 1977 to 2026.
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