
Goniobranchus thompsoni
- Usual depth8–10 m
- Water temperature18–21 °C
- Best monthsOctober and November
- How commonRare
Photo credit: (c) Eldon E Ball, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Goniobranchus thompsoni is a species of very colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
Text from the Wikipedia article “Goniobranchus thompsoni”, 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: 19 records
- February: 17 records
- March: 25 records
- April: 20 records
- May: 32 records
- June: 21 records
- July: 12 records
- August: 22 records
- September: 26 records
- October: 34 records
- November: 56 records
- December: 30 records
Depth and water temperature
Depth
Mostly recorded at 8–10 m · Deepest record: 10 m
Water temperature
Recorded in surface water of 18–21 °C
Photos

(c) Eldon E Ball, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Kai Squires, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Kai Squires, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Joanna Chen, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) libby hepburn, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) libby hepburn, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Geoff Shuetrim, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
Other scientific names: Chromodoris thompsoni
Similar species
Coi's GoniobranchusGoniobranchus coi
Collingwood's GoniobranchusGoniobranchus collingwoodi
Daphne’s NudibranchGoniobranchus daphne

Fiesta Rainbow DoridGoniobranchus fidelis
Geometric Rainbow DoridGoniobranchus geometricus
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).
- 65 open-data records from 1975 to 2026.
- Species data updated November 3, 2026.
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