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Ocean animals

Naxioides robillardi

Amazing fact

The Edatsuno crab attaches soft corals and sponges to the surface of its shell.

沖縄美ら海水族館
Naxioides robillardi in its habitat (illustration)

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An illustration based on the real animal.

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The Edatsuno crab attaches soft corals and sponges to the surface of its shell.

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THE REAL WORLD

The real Naxioides robillardi

Scientific name
Naxioides robillardi
Japanese name
エダツノガニ
Group
Ocean animals
Class
Malacostraca
Order
Decapoda
Family
Epialtidae
Genus
Naxioides
Facts about the real animal.
01

It lives in Japanese seas from Sagami Bay to the Yaeyama and Ogasawara Islands.

02

It grows fairly large, but its shell is hard and its legs are thin.

Where the Naxioides robillardi has been recorded

World map with dots where the Naxioides robillardi 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 livesJapanOcean

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.

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

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