Lovely Headshield Slug
Chelidonura amoena
- Usual depth3–16 m
- Water temperature19–30 °C
- Best monthsMarch, April, and May
- How commonOccasional
Photo credit: no rights reserved · CC0 1.0 · iNaturalist
About this species
Chelidonura amoena is a species of sea slug, or "headshield slug", a marine opisthobranch gastropod mollusk in the family Aglajidae.
Text from the Wikipedia article “Chelidonura amoena”, 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: 47 records
- February: 81 records
- March: 123 records
- April: 162 records
- May: 130 records
- June: 90 records
- July: 74 records
- August: 61 records
- September: 66 records
- October: 74 records
- November: 57 records
- December: 60 records
Depth and water temperature
Depth
Mostly recorded at 3–16 m · Deepest record: 23 m
Water temperature
Recorded in surface water of 19–30 °C
Photos
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist 
(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) Bart, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Paolo Co, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Lovely Headshield Slug
Names in 3 more languages
- Japanese
- コナユキツバメガイ
- Korean
- 노란테민챙이아재비
- Simplified Chinese
- 迷人美麗海蛞蝓
Similar species
T-bar SwallowtailChelidonura hirundinina
Beautiful SwallowtailPhilinopsis speciosa
Variable SwallowtailMariaglaja tsurugensis
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).
- 422 open-data records from 1972 to 2026.
- Species data updated October 26, 2026.
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