Pilumnus
Pilumnus is a genus of crabs in the family Pilumnidae. The genus is widespread, occurring in both the Atlantic and Indo-Pacific Oceans. Crabs belonging to this genus are commonly known as “sand crabs” or “shore crabs”. They are typically small to medium-sized crabs with a robust, oval-shaped carapace. The carapace is often covered in granules or tubercles, and the claws are relatively large and powerful.
Common Names
Crabs belonging to the genus Pilumnus are commonly known as "sand crabs" or "shore crabs". Other common names may be used depending on the specific species and geographic location.
Characteristics
Crabs in the genus Pilumnus have a number of distinguishing characteristics:
- Robust, oval-shaped carapace
- Carapace covered in granules or tubercles
- Relatively large and powerful claws
- Typically small to medium-sized (up to 5 cm in width)
- Variable coloration, often blending in with the surrounding environment
Environment
Pilumnus crabs are typically found in intertidal and shallow subtidal environments. They are often found in sand, mud, or amongst rocks. Some species are also found in estuarine habitats. These crabs are generally benthic, meaning they live on the seabed.
References
For further information on Pilumnus, see: