Cinusa nippon
Amazing fact
The Fugunokuchiyadori isopod may have different numbers of segments in its left and right antennae.
Carcinological Society of Japan
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An illustration based on the real animal.
A little discovery to share.
The Fugunokuchiyadori isopod may have different numbers of segments in its left and right antennae.
THE REAL WORLD
The real Cinusa nippon
- Scientific name
- Cinusa nippon
- Japanese name
- フグノクチヤドリ
- Group
- Ocean animals
- Class
- Malacostraca
- Order
- Isopoda
- Family
- Cymothoidae
- Genus
- Cinusa
It lives as a parasite on the roof of the mouth of pufferfish such as the shousai-fugu.
Basic data
- Range
- South of Chiba Prefecture
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
- フグノクチヤドリ
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 — フグノクチヤドリChecked: 2026-11-04
- Carcinological Society of Japan — Northernmost and new host records of the fish parasitic isopod Cinusa nippon Nagasawa, 2021 (Isopoda: Cymothoidae)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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