Zonophryxus retrodens
Amazing fact
Female Ushiroba ebinoeboshi isopods have notches along the edges of the front part of the body.
Kitakyushu Museum of Natural History and Human History
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An illustration based on the real animal.
A little discovery to share.
Female Ushiroba ebinoeboshi isopods have notches along the edges of the front part of the body.
THE REAL WORLD
The real Zonophryxus retrodens
- Scientific name
- Zonophryxus retrodens
- Japanese name
- ウシロバエビノエボシ
- Group
- Ocean animals
- Class
- Malacostraca
- Order
- Isopoda
- Family
- Dajidae
- Genus
- Zonophryxus
Its name comes from how it looks like an eboshi, a traditional Japanese cap, when riding on the head of a jinken shrimp.
Basic data
- Range
- Hawaii, Kumano-nada, and Kyushu
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
- ウシロバエビノエボシ
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 — ウシロバエビノエボシChecked: 2026-11-04
- Kitakyushu Museum of Natural History and Human History — New record of an ectoparasitic isopod, Zonophryxus retrodens Richardson, 1903 (Crustacea: Dajidae) from JapanChecked: 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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