
Shadowy Wrinkle Dorid
Nembrotha milleri
- Usual depth7–20 m
- Water temperature21–30 °C
- Best monthsMarch, April, and May
- How commonOccasional
Photo credit: (c) Pierre Pericard, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Nembrotha milleri is a species of sea slug, a dorid nudibranch, a marine gastropod mollusk in the family Polyceridae. This species was named after the nudibranch enthusiast Michael D. Miller.
Text from the Wikipedia article “Nembrotha milleri”, 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: 52 records
- February: 65 records
- March: 102 records
- April: 122 records
- May: 102 records
- June: 51 records
- July: 47 records
- August: 55 records
- September: 47 records
- October: 45 records
- November: 58 records
- December: 57 records
Depth and water temperature
Depth
Mostly recorded at 7–20 m · Deepest record: 28 m
Water temperature
Recorded in surface water of 21–30 °C
Photos

(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Pierre Pericard, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ewout Knoester, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Shadowy Wrinkle Dorid, Miller's Nembrotha
Names in 2 more languages
- Japanese
- ミラーリュウグウウミウシ
- Simplified Chinese
- 米勒多角海蛞蝓
Similar species
Chamberlain's NembrothaNembrotha chamberlaini
Crested NembrothaNembrotha cristata
Trance Wrinkle DoridNembrotha kubaryana
Ivory Wrinkle DoridNembrotha lineolata
- Fire-gilled Wrinkle Dorid
Nembrotha purpureolineata
Crucifix Wrinkle DoridNembrotha livingstonei
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).
- 263 open-data records from 1991 to 2026.
- Species data updated October 26, 2026.
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