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Ocean animals

Willan's Chromodoris

Amazing fact

Willan's Chromodoris has white specks on its gills and head tentacles.

Australian Museum
Willan's Chromodoris in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

Willan's Chromodoris has white specks on its gills and head tentacles.

SourceAustralian Museum — Chromodoris willani

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THE REAL WORLD

The real Willan's Chromodoris

Scientific name
Chromodoris willani
Japanese name
ミゾレウミウシ
Group
Ocean animals
Class
Gastropoda
Order
Nudibranchia
Family
Chromodorididae
Genus
Chromodoris
Facts about the real animal.
01

A sea slug that lives in the tropical western Pacific.

鳥羽水族館 — ミゾレウミウシ
02

Just as its name, mizore (sleet), suggests, its body is a lovely pale blue.

鳥羽水族館 — ミゾレウミウシ
03

Black lines run lengthwise along its body.

鳥羽水族館 — ミゾレウミウシ

How the Willan's Chromodoris lives

It eats sponges.

Australian Museum

Basic data

Range
The tropical western Pacific
鳥羽水族館

Where the Willan's Chromodoris has been recorded

World map with dots where the Willan's Chromodoris has been recorded
Each dot marks a place with observations or specimens shared on GBIF. Some records are of animals that strayed or were brought by people, so the dots are not always where the animal lives.

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF

Where it livesWorld oceansOcean

Watch wild animals from a distance. Do not touch or feed them, and take care of the places where they live.

Names around the world

Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.

Sources and how we check

We check each fact against its source. The illustrations simplify how the real animal looks.

The classification (class, order, family, genus) follows Wikidata records, checked against GBIF. Classifications can change as research goes on.

The basic data are the values given in each source. They vary with how the animal is measured, whether it is male or female, and whether it lives in the wild or in captivity.

This page was translated from the original Japanese with the help of AI.

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