Red-ringed Bluntnose
Samla bilas
- Usual depth10–22 m
- Water temperature25–29 °C
- Best monthsMarch, April, and May
- How commonRare
Photo credit: (c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
About this species
Samla bilas is a species of sea slug, an aeolid nudibranch, a marine heterobranch mollusc in the family Samlidae.
Text from the Wikipedia article “Samla bilas”, 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: 20 records
- February: 28 records
- March: 36 records
- April: 45 records
- May: 40 records
- June: 10 records
- July: 17 records
- August: 23 records
- September: 17 records
- October: 26 records
- November: 26 records
- December: 28 records
Depth and water temperature
Depth
Mostly recorded at 10–22 m · Deepest record: 30 m
Water temperature
Recorded in surface water of 25–29 °C
Photos
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Tom Heijnen, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Heine Jensen, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Red-ringed Bluntnose
Names in 2 more languages
- French
- Flabelline décorée
- Japanese
- カザリミノウミウシ
Other scientific names: Flabellina bilas
Similar species
Two-tone BluntnoseSamla bicolor
Purple-ringed BluntnoseSamla riwo
- Orange-tipped Bluntnose
Samla macassarana
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).
- 136 open-data records from 1988 to 2026.
- Species data updated October 26, 2026.
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