Chelidonura pallida
- Usual depth2–15 m
- Water temperature19–29 °C
- Best monthsFebruary, April, and November
- How commonRare
Photo credit: no rights reserved · CC0 1.0 · iNaturalist
About this species
Chelidonura pallida is a species of sea slug, or "headshield slug", a marine opisthobranch gastropod mollusk in the family Aglajidae.
Text from the Wikipedia article “Chelidonura pallida”, 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: 7 records
- February: 18 records
- March: 13 records
- April: 25 records
- May: 13 records
- June: 11 records
- July: 7 records
- August: 15 records
- September: 15 records
- October: 15 records
- November: 23 records
- December: 12 records
Depth and water temperature
Depth
Mostly recorded at 2–15 m · Deepest record: 30.5 m
Water temperature
Recorded in surface water of 19–29 °C
Photos
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
Names in 1 more languages
- Japanese
- クロヘリシロツバメガイ
Similar species
Lovely Headshield SlugChelidonura amoena
T-bar SwallowtailChelidonura hirundinina
Blue-ringed SwallowtailChelidonura livida
Blue velvet headshield slugChelidonura varians
Beautiful SwallowtailPhilinopsis speciosa
Speckled Swallow-tailed Sea SlugBiuve fulvipunctata
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).
- 85 open-data records from 1951 to 2026.
- Species data updated October 26, 2026.
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