Anna's Chromodoris

Chromodoris annae

Nudibranchs
IUCN: Not evaluated

Usual depth5–24 m
Water temperature20–30 °C
Best monthsMarch, April, and December
How commonOccasional

All species

Photo credit: (c) Georgina Jones, some rights reserved (CC BY-SA), uploaded by Georgina Jones · CC BY-SA · iNaturalist

About this species

Chromodoris annae, also known as Anna's magnificent sea slug, is a species of sea slug in the family Chromodorididae.

Text from the Wikipedia article “Chromodoris annae”, 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: 259 records
February: 216 records
March: 286 records
April: 416 records
May: 258 records
June: 205 records
July: 209 records
August: 241 records
September: 231 records
October: 185 records
November: 247 records
December: 265 records

Depth and water temperature

Depth

Mostly recorded at 5–24 m · Deepest record: 50 m

0–10 m: 41 records
10–20 m: 67 records
20–30 m: 19 records
30–40 m: 2 records
40–50 m: 2 records
50–60 m: 1 records

Water temperature

Recorded in surface water of 20–30 °C

20–22 °C: 4 records
22–24 °C: 7 records
24–26 °C: 12 records
26–28 °C: 4 records
28–30 °C: 180 records

Photos

(c) Dan Schofield, some rights reserved (CC BY), uploaded by Dan Schofield · CC BY · iNaturalist
(c) Dan Schofield, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Pauline Walsh Jacobson, some rights reserved (CC BY) · CC BY · iNaturalist
(c) Alicia Christman, some rights reserved (CC BY) · CC BY · iNaturalist
no rights reserved · CC0 1.0 · iNaturalist
(c) 呂一起(Lyu yi-chi), some rights reserved (CC BY) · CC BY · iNaturalist

Names and classification

English: Anna's Chromodoris

Names in 2 more languages

Japanese: アンナウミウシ
Simplified Chinese: 安娜多彩海牛, 安娜多彩海蛞蝓

Similar species

Chromodoris colemani
Elisabeth's Chromodoris
Chromodoris elisabethina
Pyjama Rainbow Dorid
Chromodoris lochi
Magnificent Chromodoris
Chromodoris magnifica
Broken-line Rainbow Dorid
Chromodoris strigata
Striped White Sea Slug
Chromodoris willani

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).
1,052 open-data records from 1970 to 2026.
Species data updated October 26, 2026.

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