Jewel Jelly
Amazing fact
The jewel jelly has no polyp stage and spends its whole life floating in the water.
鶴岡市立加茂水族館
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An illustration based on the real animal.
A little discovery to share.
The jewel jelly has no polyp stage and spends its whole life floating in the water.
THE REAL WORLD
The real Jewel Jelly
- Scientific name
- Liriope tetraphylla
- Japanese name
- カラカサクラゲ
- Group
- Ocean animals
- Class
- Hydrozoa
- Order
- Trachymedusae
- Family
- Geryoniidae
- Genus
- Liriope
Its name comes from its shape, which looks like a karakasa, a traditional Japanese umbrella.
A part called the manubrium stretches out from the center of its body, and its mouth is at the tip.
How the Jewel Jelly lives
It is commonly seen along the Shonai coast from spring to autumn. Many can be seen at the surface when a light wind blows from offshore and the waves are calm. It is a jellyfish with strong swimming ability.
鶴岡市立加茂水族館新潟市水族館 マリンピア日本海Basic data
- Range
- Central Honshu and southward
Where the Jewel Jelly has been recorded

Records: GBIF.org (CC0 and CC BY 4.0 records, retrieved 2026-11-07). Map: Natural EarthSee the records on GBIF
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
- 鳥羽水族館 — カラカサクラゲChecked: 2026-11-04
- 鶴岡市立加茂水族館 — カラカサクラゲChecked: 2026-11-07
- 新潟市水族館 マリンピア日本海 — カラカサクラゲChecked: 2026-11-07
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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