Southern Rainbow Dorid
Thorunna australis
- Usual depth5–20 m
- Water temperature20–30 °C
- Best monthsFebruary, May, and June
- How commonRare
About this species
Thorunna australis is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusk in the family Chromodorididae.
Text from the Wikipedia article “Thorunna australis”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
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Best months
Worldwide (open data)
- January: 5 records
- February: 14 records
- March: 11 records
- April: 12 records
- May: 15 records
- June: 15 records
- July: 9 records
- August: 11 records
- September: 9 records
- October: 12 records
- November: 13 records
- December: 7 records
Depth and water temperature
Depth
Mostly recorded at 5–20 m · Deepest record: 24.4 m
Water temperature
Recorded in surface water of 20–30 °C
Names and classification
- English
- Southern Rainbow Dorid
Names in 1 more languages
- Japanese
- ジュッテンイロウミウシ
Other scientific names: Chromodoris australis, Glossodoris australis
Similar species
- Danielle's Nudibranch
Thorunna daniellae
Flowering ThorunnaThorunna florens
- Wide-margined Rainbow Dorid
Thorunna halourga
- Lavender Rainbow Dorid
Thorunna punicea
Slender ceratosoma nudibranchCeratosoma gracillimum
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.
- Descriptions: Wikipedia, licensed CC BY-SA, each linked to its article.
- Conservation status as published by GBIF (IUCN Red List).
- 142 open-data records from 1981 to 2026.
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