Japanese sea nettle

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An illustration based on the real animal.
A little discovery to share.
Japanese sea nettles have tentacles that extend a long way.
THE REAL WORLD
The real Japanese sea nettle
- Scientific name
- Chrysaora pacifica
- Japanese name
- アカクラゲ
- Group
- Ocean animals
- Class
- Scyphozoa
- Order
- Semaeostomeae
- Family
- Pelagiidae
- Genus
- Chrysaora
A jellyfish found widely along the coasts of Japan. Its bell has brown stripes radiating from the center.
Its tentacles carry stinging cells that cause a burning pain when touched, and the stinging cells keep working even after the jellyfish dies.
Because powder from its dried body can make people sneeze, it is sometimes called the 'achoo jellyfish'.
Basic data
- Size
- Bell diameter: up to about 20 cm
- Range
- Coastal Japan
Where the Japanese sea nettle 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
- 日本語
- アカクラゲ
- 简体中文
- 赤海月黄金水母
- 繁體中文
- 赤海月黃金水母
- 한국어
- 커튼원양해파리
- Deutsch
- Japanische Kompassqualle
- Português (Brasil)
- Água-viva-tigre
- Türkçe
- Japon Isırgan Denizanası
Names come from Wikidata and iNaturalist records. Where a language has no recorded name, we use the scientific name.
Sources and how we check
- 鶴岡市立加茂水族館 — アカクラゲChecked: 2026-11-03
- 鳥羽水族館 — アカクラゲChecked: 2026-11-03
- 環境省 せとうちネット — アカクラゲ・カツオノエボシChecked: 2026-11-03
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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