Heptacarpus geniculatus
Amazing fact
The flexed shrimp has a straight rostrum longer than the shell covering its head and chest.
국립해양생물자원관
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An illustration based on the real animal.
A little discovery to share.
The flexed shrimp has a straight rostrum longer than the shell covering its head and chest.
THE REAL WORLD
The real Heptacarpus geniculatus
- Scientific name
- Heptacarpus geniculatus
- Japanese name
- コシマガリモエビ
- Group
- Ocean animals
- Class
- Malacostraca
- Order
- Decapoda
- Family
- Thoridae
- Genus
- Heptacarpus
How the Heptacarpus geniculatus lives
It is found on the leaves and branches of eelgrass and Sargassum seaweeds.
新潟市水族館 マリンピア日本海Basic data
- Range
- The coasts from Kyushu to Sakhalin
Where the Heptacarpus geniculatus 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 — コシマガリモエビChecked: 2026-11-04
- 新潟市水族館 マリンピア日本海 — コシマガリモエビChecked: 2026-11-07
- 국립해양생물자원관 — 혹등좁은뿔꼬마새우 Heptacarpus geniculatus (Stimpson, 1860)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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