The Spider Crab, scientifically known as Phalangipus hystrix, is a captivating species of crab renowned for its distinctive appearance and fascinating behaviors. Its long, spindly legs and spiky carapace make it a remarkable sight in the marine environment.
Description & Characteristics
Phalangipus hystrix is easily recognizable due to its long, slender legs, which can span up to 1.5 meters (5 feet) in length. The crab’s body, or carapace, is covered in numerous sharp spines, giving it a formidable and spiky appearance. These spines are believed to serve as a defense mechanism against predators. The Spider Crab’s body color varies, ranging from reddish-brown to grayish-brown, blending seamlessly with its surroundings.
Habitat and Occurrence
The Spider Crab, Phalangipus hystrix, is primarily found in the waters of the Indo-Pacific region. This species thrives in a variety of marine zones, ranging from shallow coastal areas to deeper reefs. They are particularly common in the tropical and subtropical regions of the Indian Ocean and the western Pacific Ocean, where they are frequently observed on coral reefs, rocky outcrops, and seagrass meadows. The Spider Crab is known to inhabit depths ranging from a few meters to over 100 meters (330 feet), showcasing its adaptability to different marine environments.
Taxonomy
The Spider Crab, Phalangipus hystrix, is classified within the animal kingdom under the phylum Arthropoda. It belongs to the class Malacostraca, which comprises a diverse group of crustaceans including crabs, lobsters, and shrimp. Within this class, the Spider Crab is further categorized under the order Decapoda, encompassing animals with ten legs, including true crabs, lobsters, and crayfish. The Spider Crab is a member of the family Epialtidae, which includes a variety of spider crabs known for their distinctive long legs and spiny carapaces.
Feeding
Food info: No reliable information available
Image References