
Yellow-tipped Phyllodesmium
Phyllodesmium briareum
- Usual depth5–17 m
- Water temperature23–30 °C
- Best monthsMarch, April, and May
- How commonOccasional
Photo credit: (c) Steve Childs, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Phyllodesmium briareum is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.
Text from the Wikipedia article “Phyllodesmium briareum”, 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: 54 records
- February: 40 records
- March: 100 records
- April: 99 records
- May: 93 records
- June: 49 records
- July: 51 records
- August: 67 records
- September: 71 records
- October: 56 records
- November: 46 records
- December: 44 records
Depth and water temperature
Depth
Mostly recorded at 5–17 m · Deepest record: 20 m
Water temperature
Recorded in surface water of 23–30 °C
Photos

(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Kai Squires, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Alicia Christman, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Yellow-tipped Phyllodesmium
Names in 1 more languages
- Japanese
- センジュミノウミウシ
Other scientific names: Ennoia briareus
Similar species
- Freckled Soft Coral Eater
Phyllodesmium macphersonae
- Branched Soft Coral Eater
Phyllodesmium poindimiei
Beaded Soft Coral EaterPhyllodesmium crypticum



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).
- 313 open-data records from 1986 to 2026.
- Species data updated October 26, 2026.
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