
Goniobranchus rufomaculatus
- Usual depth5–18 m
- Water temperature20–30 °C
- Best monthsMay and December
- How commonRare
Photo credit: (c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Goniobranchus rufomaculatus is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
Text from the Wikipedia article “Goniobranchus rufomaculatus”, 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: 9 records
- February: 14 records
- March: 15 records
- April: 16 records
- May: 31 records
- June: 14 records
- July: 16 records
- August: 13 records
- September: 18 records
- October: 9 records
- November: 8 records
- December: 20 records
Depth and water temperature
Depth
Mostly recorded at 5–18 m · Deepest record: 54.9 m
Water temperature
Recorded in surface water of 20–30 °C
Names and classification
Names in 2 more languages
- Japanese
- ヒメコモンウミウシ
- Simplified Chinese
- 橘點多彩海蛞蝓
Other scientific names: Chromodoris histrio, Chromodoris rufomaculata, Glossodoris rufomaculata
Similar species
Coi's GoniobranchusGoniobranchus coi
Collingwood's GoniobranchusGoniobranchus collingwoodi
Fiesta Rainbow DoridGoniobranchus fidelis
Geometric Rainbow DoridGoniobranchus geometricus
Bus Stop NudibranchGoniobranchus hintuanensis

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).
- 141 open-data records from 1981 to 2026.
- Species data updated October 30, 2026.
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