Halimeda Crab
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An illustration based on the real animal.
A little discovery to share.
On coral reefs, the Halimeda crab lives on an alga called Halimeda.
THE REAL WORLD
The real Halimeda Crab
- Scientific name
- Huenia heraldica
- Japanese name
- コノハガニ
- Group
- Ocean animals
- Class
- Malacostraca
- Order
- Decapoda
- Family
- Epialtidae
- Genus
- Huenia
It lives in seas such as the Indian Ocean, the South Pacific, around Hawaii and the Red Sea.
How the Halimeda Crab lives
Around Kushimoto, it lives hidden among a different alga called Heraiwazuta.
宇久井ビジターセンターBasic data
- Size
- Carapace length: about 3 cm
- Range
- The Indian Ocean, South Pacific, Hawaii, and Red Sea
Where the Halimeda Crab 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
- コノハガニ
- 简体中文
- 异形藻片蟹
- 繁體中文
- 紋章藻片蟹
- 한국어
- 외뿔게
- Français
- Crabe-halimède
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 — コノハガニChecked: 2026-11-04
- 宇久井ビジターセンター — コノハガニ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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