Rough Box Crab
Amazing fact
The rough box crab looks like a box when it holds its large, flattened claws close to its front.
Solitary Islands Underwater Research Group
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An illustration based on the real animal.
A little discovery to share.
The rough box crab looks like a box when it holds its large, flattened claws close to its front.
THE REAL WORLD
The real Rough Box Crab
- Scientific name
- Calappa gallus
- Japanese name
- コブカラッパ
- Group
- Ocean animals
- Class
- Malacostraca
- Order
- Decapoda
- Family
- Calappidae
- Genus
- Calappa
It lives from south of Sagami Bay to the Indian Ocean and western Pacific, and is often seen on pebbly sea floors.
How the Rough Box Crab lives
It often buries itself in sand to hide.
Solitary Islands Underwater Research GroupBasic data
- Range
- South of Sagami Bay, Indian Ocean, and western Pacific
Where the Rough Box 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
- コブカラッパ
- 简体中文
- 公鸡馒头蟹
- 繁體中文
- 公雞饅頭蟹
- Français
- Crabe honteux bossu
- Português (Brasil)
- Carnguejo-cofre-verrugoso
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 — コブカラッパChecked: 2026-11-04
- Solitary Islands Underwater Research Group — Calappa gallus (Herbst, 1803)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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