Facelina quadrilineata
- Usual depth5–15 m
- Water temperature19–27 °C
- Best monthsMarch, April, and November
- How commonRare
About this species
Facelina quadrilineata is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Facelinidae.
Text from the Wikipedia article “Facelina quadrilineata”, 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: 1 records
- February: 2 records
- March: 4 records
- April: 4 records
- May: 1 records
- June: 1 records
- July: 1 records
- August: 2 records
- September: 2 records
- October: 0 records
- November: 3 records
- December: 3 records
Depth and water temperature
Depth
Mostly recorded at 5–15 m · Deepest record: 18 m
Water temperature
Recorded in surface water of 19–27 °C
Names and classification
Names in 2 more languages
- Japanese
- ヨツスジミノウミウシ
- Korean
- 네줄하늘소갯민숭이
Other scientific names: Facelinella quadrilineata, Hervia quadrilineata
Similar species
- Scribbled Tentacle Aeolid
Facelina bourailli
Ornate facelinidAustraeolis ornata
Sunrise Tentacle AeolidCaloria indica
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).
- 24 open-data records from 2006 to 2025.
- Species data updated November 2, 2026.
Log what you see on your next dive
The free DiveHive diver app keeps your logbook with every sighting and shows what lives at the site you dive next.