Green Grassdragon
Crosslandia viridis
- Usual depth1–20 m
- Water temperature19–30 °C
- Best monthsJanuary, February, and March
- How commonRare
Where and when
Where it has been recorded
Worldwide
Loading the map
Best months
Worldwide (open data)
- January: 11 records
- February: 8 records
- March: 12 records
- April: 1 records
- May: 1 records
- June: 2 records
- July: 4 records
- August: 4 records
- September: 2 records
- October: 1 records
- November: 2 records
- December: 3 records
Depth and water temperature
Depth
Mostly recorded at 1–20 m · Deepest record: 20 m
Water temperature
Recorded in surface water of 19–30 °C
Names and classification
- English
- Green Grassdragon
Names in 1 more languages
- Japanese
- コチョウウミウシ
Other scientific names: Crosslandia fusca, Crosslandia orientalis
Similar species
Iridescent nudibranchNotobryon wardi
Frilled GrassdragonScyllaea fulva
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.
- Conservation status as published by GBIF (IUCN Red List).
- 22 open-data records from 2001 to 2026.
- Species data updated November 1, 2026.
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