Orange Gumdrop
Berthellina delicata
- Usual depth1–17 m
- Water temperature19–29 °C
- Best monthsFebruary, April, and October
- How commonRare
Photo credit: (c) Robin White, some rights reserved (CC BY) · CC BY · iNaturalist
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 24 records
- February: 44 records
- March: 33 records
- April: 39 records
- May: 39 records
- June: 36 records
- July: 18 records
- August: 26 records
- September: 29 records
- October: 47 records
- November: 29 records
- December: 39 records
Depth and water temperature
Depth
Mostly recorded at 1–17 m · Deepest record: 20 m
Water temperature
Recorded in surface water of 19–29 °C
Photos
no rights reserved · CC0 1.0 · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Cricket Raspet, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Don Loarie, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Robin White, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Orange Gumdrop
Names in 2 more languages
- Japanese
- ホウズキフシエラガイ
- Simplified Chinese
- 黃側鰓海蛞蝓
Other scientific names: Pleurobranchus (Pleurobranchus) delicatus, Pleurobranchus delicatus
Similar species
Lemon pleurobranchBerthellina citrina
Forskal's sidegill slugPleurobranchus forskalii
- Peron's side-gilled sea slug
Pleurobranchus peronii
- Grand Pleurobranch
Pleurobranchus grandis
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.
- Conservation status as published by GBIF (IUCN Red List).
- 159 open-data records from 2001 to 2025.
- Species data updated October 26, 2026.
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