Twinspot Rainbow Dorid

Mexichromis pusilla

Nudibranchs
IUCN: Not evaluated

Usual depth6–25 m
Water temperature20–30 °C
Best monthsMarch, May, and December
How commonRare

Photo credit: (c) Heine Jensen, some rights reserved (CC BY) · CC BY · iNaturalist

About this species

Mexichromis pusilla is a species of sea slug or dorid nudibranch, a marine gastropod mollusk in the family Chromodorididae.

Text from the Wikipedia article “Mexichromis pusilla”, 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: 14 records
February: 11 records
March: 30 records
April: 22 records
May: 36 records
June: 21 records
July: 17 records
August: 27 records
September: 17 records
October: 15 records
November: 23 records
December: 28 records

Depth and water temperature

Depth

Mostly recorded at 6–25 m · Deepest record: 30 m

0–10 m: 19 records
10–20 m: 29 records
20–30 m: 16 records
30–40 m: 1 records

Water temperature

Recorded in surface water of 20–30 °C

18–20 °C: 1 records
20–22 °C: 11 records
22–24 °C: 3 records
24–26 °C: 32 records
26–28 °C: 5 records
28–30 °C: 50 records

Photos

Names and classification

English: Twinspot Rainbow Dorid

Names in 1 more languages

Japanese: キベリアカイロウミウシ

Other scientific names: Chromodoris pusilla, Durvilledoris pusilla

Similar species

Beau Vallon Magnificent Slug
Mexichromis multituberculata
Three-lines Purple Doris
Mexichromis trilineata
Slender ceratosoma nudibranch
Ceratosoma gracillimum
Elongate Pantechnicon Dorid
Ceratosoma tenue
T-bar Pantechnicon Dorid
Ceratosoma trilobatum
Anna's Chromodoris
Chromodoris annae

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).
133 open-data records from 1983 to 2026.
Species data updated October 26, 2026.

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