
Ornate Pinstripe
Dermatobranchus ornatus
- Usual depth12–25 m
- Water temperature20–29 °C
- Best monthsApril, July, and August
- How commonRare
Photo credit: no rights reserved · CC0 1.0 · iNaturalist
About this species
Dermatobranchus ornatus is a species of sea slug, a nudibranch, a marine gastropod mollusc in the family Arminidae.
Text from the Wikipedia article “Dermatobranchus ornatus”, 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: 34 records
- February: 29 records
- March: 36 records
- April: 53 records
- May: 44 records
- June: 44 records
- July: 49 records
- August: 47 records
- September: 45 records
- October: 31 records
- November: 31 records
- December: 34 records
Depth and water temperature
Depth
Mostly recorded at 12–25 m · Deepest record: 30 m
Water temperature
Recorded in surface water of 20–29 °C
Photos

(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist 
(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Ornate Pinstripe
Names in 3 more languages
- French
- Dermatobranche orné
- Japanese
- ハナオトメウミウシ
- Simplified Chinese
- 華麗皮鰓海蛞蝓, 裝飾片鰓海蛞蝓
Other scientific names: Pleuroleura ornata
Similar species
Dark-nosed PinstripeDermatobranchus albus

Lucky PinstripeDermatobranchus fortunatus

Orange-margin PinstripeDermatobranchus gonatophorus

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).
- 185 open-data records from 1982 to 2026.
- Species data updated October 26, 2026.
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