Sunset Knobbed Dorid

About this species

Aegires villosus is a species of sea slug. It is a dorid nudibranch, a shell-less marine gastropod mollusc in the family Aegiridae.

Text from the Wikipedia article “Aegires villosus”, licensed CC BY-SA 4.0. Read the article

Where and when

Where it has been recorded

Worldwide

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Best months

Worldwide (open data)

January: 50 records
February: 55 records
March: 89 records
April: 144 records
May: 100 records
June: 61 records
July: 69 records
August: 65 records
September: 55 records
October: 64 records
November: 58 records
December: 47 records

Depth and water temperature

Depth

Mostly recorded at 5–25 m · Deepest record: 45.7 m

0–10 m: 42 records
10–20 m: 72 records
20–30 m: 36 records
30–40 m: 4 records
40–50 m: 1 records

Water temperature

Recorded in surface water of 19–30 °C

18–20 °C: 16 records
20–22 °C: 42 records
22–24 °C: 10 records
24–26 °C: 31 records
26–28 °C: 24 records
28–30 °C: 109 records

Photos

(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) portioid, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Georgina Jones, some rights reserved (CC BY-SA) · CC BY-SA · iNaturalist
(c) Gregor Bailar, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist
(c) mapefrli, some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Sunset Knobbed Dorid

Names in 2 more languages

French: Aegires villeuse
Japanese: センヒメウミウシ

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 1972 to 2026.
Species data updated October 26, 2026.