
Ivory Wrinkle Dorid
Nembrotha lineolata
- Usual depth6–22 m
- Water temperature19–30 °C
- Best monthsMarch, April, and May
- How commonOccasional
Photo credit: (c) SarahDepper, some rights reserved (CC BY) · CC BY · iNaturalist
About this species
Nembrotha lineolata is a species of nudibranch, a sea slug, a marine gastropod mollusk in the family Polyceridae. It is found in shallow water in the Indo-Pacific. It was first described in 1905 by the Danish malacologist Rudolph Bergh. The type locality is Selayar Island, Indonesia.
Text from the Wikipedia article “Nembrotha lineolata”, 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: 103 records
- February: 76 records
- March: 106 records
- April: 162 records
- May: 109 records
- June: 78 records
- July: 76 records
- August: 73 records
- September: 59 records
- October: 91 records
- November: 101 records
- December: 104 records
Depth and water temperature
Depth
Mostly recorded at 6–22 m · Deepest record: 48.8 m
Water temperature
Recorded in surface water of 19–30 °C
Photos

(c) Georgina Jones, some rights reserved (CC BY-SA), uploaded by Georgina Jones · CC BY-SA · iNaturalist 
(c) Kai Squires, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Debra Baker, some rights reserved (CC BY) · CC BY · iNaturalist
Names and classification
- English
- Ivory Wrinkle Dorid, Lined Nembrotha
Names in 3 more languages
- French
- Nembrotha à lignes brunes
- Japanese
- クロスジリュウグウウミウシ
- Simplified Chinese
- 條紋多角海蛞蝓, 條紋多角海蛞蝓(褐紋多角海蛞蝓)
Similar species
Chamberlain's NembrothaNembrotha chamberlaini
Crested NembrothaNembrotha cristata
Trance Wrinkle DoridNembrotha kubaryana
Shadowy Wrinkle DoridNembrotha milleri
- 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).
- 431 open-data records from 1905 to 2026.
- Species data updated October 26, 2026.
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