
Queen Split-tooth Dorid
Hypselodoris regina
- Usual depth20 m
- Water temperature25–27 °C
- Best monthsApril, October, and December
- How commonRare
Photo credit: (c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Hypselodoris regina is a conspicuous species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.
Text from the Wikipedia article “Hypselodoris regina”, 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: 11 records
- February: 8 records
- March: 8 records
- April: 12 records
- May: 9 records
- June: 3 records
- July: 5 records
- August: 5 records
- September: 7 records
- October: 14 records
- November: 12 records
- December: 20 records
Depth and water temperature
Depth
Mostly recorded at 20 m · Deepest record: 20 m
Water temperature
Recorded in surface water of 25–27 °C
Photos

(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
Names and classification
- English
- Queen Split-tooth Dorid
Similar species
Cinderella Sea SlugHypselodoris apolegma
Bennett's HypselodorisHypselodoris bennetti
Lavender Split-tooth DoridHypselodoris bullockii
Triple-striped Split-tooth DoridHypselodoris emma
Imperial NudibranchHypselodoris imperialis
Black-spotted Split-tooth DoridHypselodoris infucata
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).
- 30 open-data records from 1975 to 2012.
- Species data updated November 3, 2026.
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