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Ocean animals

Scalpellum stearnsi

Amazing fact

Male myouga barnacles live as parasites embedded in females.

沖縄美ら海水族館
Scalpellum stearnsi in its habitat (illustration)

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An illustration based on the real animal.

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Male myouga barnacles live as parasites embedded in females.

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THE REAL WORLD

The real Scalpellum stearnsi

Scientific name
Scalpellum stearnsi
Japanese name
ミョウガガイ
Group
Ocean animals
Class
Thecostraca
Order
Scalpellomorpha
Family
Scalpellidae
Genus
Scalpellum
Facts about the real animal.
01

A crustacean, like shrimp and crabs, living in Sagami Bay, Suruga Bay and the Kumano area.

02

Its name ends in "gai" (shellfish), but it is not a shellfish.

03

It is a close relative of barnacles and goose barnacles.

How the Scalpellum stearnsi lives

As larvae, they swim through the water. As they grow, they release a cement-like substance and attach to rocks or other surfaces. They catch small food with appendages called cirri and eat plankton drifting in the sea.

沖縄美ら海水族館名古屋港水族館

Where the Scalpellum stearnsi has been recorded

World map with dots where the Scalpellum stearnsi 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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