Crested Nembrotha
Nembrotha cristata
- Usual depth5–22 m
- Water temperature20–30 °C
- Best monthsApril, August, and November
- How commonOccasional
Photo credit: (c) Dan Schofield, some rights reserved (CC BY), uploaded by Dan Schofield · CC BY · iNaturalist
About this species
Nembrotha cristata is a species of colourful sea slug, a polycerid nudibranch, a marine gastropod mollusk in the family Polyceridae. This species of sea slug is black with green markings; adults are around 50 mm long, and they live on rock or coral reefs in the tropical Indo-West Pacific Ocean.
Text from the Wikipedia article “Nembrotha cristata”, 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: 98 records
- February: 94 records
- March: 115 records
- April: 155 records
- May: 107 records
- June: 94 records
- July: 83 records
- August: 126 records
- September: 105 records
- October: 110 records
- November: 144 records
- December: 126 records
Depth and water temperature
Depth
Mostly recorded at 5–22 m · Deepest record: 29.7 m
Water temperature
Recorded in surface water of 20–30 °C
Photos
(c) Steve Childs, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist 
(c) Rachel Crane, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist 
(c) Ben Costamagna, some rights reserved (CC BY) · CC BY · iNaturalist 
no rights reserved · CC0 1.0 · iNaturalist
Names and classification
- English
- Crested Nembrotha, Nathalie's Nembrotha
Names in 2 more languages
- Japanese
- トサカリュウグウウミウシ
- Simplified Chinese
- 雞冠多角海蛞蝓
Other scientific names: Nembrotha guttata, Nembrotha yonowae
Similar species
Chamberlain's NembrothaNembrotha chamberlaini
Trance Wrinkle DoridNembrotha kubaryana
Ivory Wrinkle DoridNembrotha lineolata
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).
- 566 open-data records from 1972 to 2026.
- Species data updated October 26, 2026.
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