
Lavender Split-tooth Dorid
Hypselodoris bullockii
- Usual depth7–20 m
- Water temperature19–30 °C
- Best monthsMarch, April, and May
- How commonOccasional
Photo credit: (c) Steve Childs, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Hypselodoris bullockii is a species of colourful sea slug or dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.
Text from the Wikipedia article “Hypselodoris bullockii”, licensed CC BY-SA 4.0. Read the article
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 140 records
- February: 110 records
- March: 142 records
- April: 194 records
- May: 162 records
- June: 105 records
- July: 86 records
- August: 126 records
- September: 105 records
- October: 90 records
- November: 92 records
- December: 113 records
Depth and water temperature
Depth
Mostly recorded at 7–20 m · Deepest record: 30 m
Water temperature
Recorded in surface water of 19–30 °C
Photos

(c) Steve Childs, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Kai Squires, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Lavender Split-tooth Dorid, Bullock's Hypselodoris
Names in 3 more languages
- French
- Hypselodoris de Bullock
- Japanese
- ゾウゲイロウミウシ
- Simplified Chinese
- 公牛多彩海麒麟, 布氏高澤海蛞蝓(布拉克高澤海蛞蝓)
Other scientific names: Chromodoris bullockii, Risbecia bullockii
Similar species
Cinderella Sea SlugHypselodoris apolegma
Triple-striped Split-tooth DoridHypselodoris emma
Black-spotted Split-tooth DoridHypselodoris infucata
Double-banded Split-tooth DoridHypselodoris maculosa
Tryon's HypselodorisHypselodoris tryoni
Bumpy Split-tooth DoridHypselodoris whitei
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).
- 738 open-data records from 1970 to 2026.
- Species data updated October 26, 2026.
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