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Ocean animals

Tryon's Hypselodoris

Amazing fact

Tryon's Hypselodoris often follows behind another sea slug.

Australian Museum
Tryon's Hypselodoris in its habitat (illustration)

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An illustration based on the real animal.

A little discovery to share.

Tryon's Hypselodoris often follows behind another sea slug.

SourceAustralian Museum — Hypselodoris tryoni

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THE REAL WORLD

The real Tryon's Hypselodoris

Scientific name
Hypselodoris tryoni
Japanese name
マダライロウミウシ
Group
Ocean animals
Class
Gastropoda
Order
Nudibranchia
Family
Chromodorididae
Genus
Hypselodoris
Facts about the real animal.
01

It lives in the seas of the western and central Pacific.

鳥羽水族館 — マダライロウミウシ
02

The edge of its body is bluish purple, and it has small dark purple spots.

鳥羽水族館 — マダライロウミウシ
03

It looks like the hyoumon-umiushi sea slug, but its feelers are purple with white lengthwise lines.

鳥羽水族館 — マダライロウミウシ

Basic data

Range
Western and central Pacific Ocean
鳥羽水族館

Where the Tryon's Hypselodoris has been recorded

World map with dots where the Tryon's Hypselodoris 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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RELATIVES

Others in Chromodorididae

Festive Sea Slug in its habitat (illustration)

Festive Sea Slug

Cinderella sea slug in its habitat (illustration)

Cinderella sea slug

Bullock's Hypselodoris in its habitat (illustration)

Bullock's Hypselodoris

Risbecia pulchella sea slug in its habitat (illustration)

Risbecia pulchella sea slug

Hypselodoris variobranchia in its habitat (illustration)

Hypselodoris variobranchia

Meringue sea slug in its habitat (illustration)

Meringue sea slug

Three-lobed T-bar Nudibranch in its habitat (illustration)

Three-lobed T-bar Nudibranch

Chromodoris annae in its habitat (illustration)

Chromodoris annae

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