Halgerda diaphana
- Usual depth6–27 m
- Water temperature20–27 °C
- Best monthsFebruary, March, and May
- How commonRare
Photo credit: (c) Jay Paroline, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Halgerda diaphana is a species of sea slug, a dorid nudibranch, shell-less marine gastropod mollusks in the family Discodorididae.
Text from the Wikipedia article “Halgerda diaphana”, 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: 9 records
- February: 13 records
- March: 16 records
- April: 12 records
- May: 15 records
- June: 10 records
- July: 6 records
- August: 10 records
- September: 13 records
- October: 12 records
- November: 4 records
- December: 7 records
Depth and water temperature
Depth
Mostly recorded at 6–27 m · Deepest record: 135 m
Water temperature
Recorded in surface water of 20–27 °C
Names and classification
Names in 2 more languages
- Japanese
- キスジカンテンウミウシ
- Simplified Chinese
- 朦朧盤海牛, 朦朧盤海蛞蝓
Similar species
Batangas HalgerdaHalgerda batangas
Gold Lace NudibranchHalgerda terramtuentis
Willey’s NudibranchHalgerda willeyi
Gold-spotted NudibranchHalgerda aurantiomaculata
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).
- 111 open-data records from 1984 to 2026.
- Species data updated November 3, 2026.
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