Anapagurus chiroacanthus

Anapagurus chiroacanthus is a species of hermit crab belonging to the family Paguridae. These crabs are known for their unique adaptation of using empty gastropod shells for protection and shelter.

Description & Characteristics

Anapagurus chiroacanthus is characterized by its relatively small size, typically reaching a maximum carapace length of around 15 millimeters. The species exhibits a distinctive morphology, showcasing a flattened and elongated carapace with a distinct rostrum. Its body is predominantly covered in a dense array of short, stiff setae. The chelipeds, or claws, are also notable for their prominent spines, adding to the crab’s overall spiny appearance.

Habitat and Occurrence

Anapagurus chiroacanthus is primarily found in the benthic zone of the North Atlantic Ocean. This species exhibits a preference for inhabiting a variety of substrates, including sandy bottoms, rocky reefs, and seaweed forests. The distribution of Anapagurus chiroacanthus extends from the intertidal zone to depths of around 200 meters. This range encompasses various marine zones, including the neritic and bathyal zones, highlighting the adaptability of this species to diverse environments.

Taxonomy

Anapagurus chiroacanthus belongs to the Class Malacostraca, which comprises a vast group of crustaceans with segmented bodies. Within this class, the species is further classified under the Order Decapoda, a group characterized by their ten walking legs. This order encompasses a diverse array of crustaceans, including crabs, lobsters, and shrimps. Lastly, Anapagurus chiroacanthus is a member of the Family Paguridae, which comprises the hermit crabs, all of which share the common characteristic of using empty gastropod shells for shelter.

Feeding

Like many other hermit crabs, Anapagurus chiroacanthus is an omnivore, feeding on a variety of organic matter. This diet includes algae, detritus, and small invertebrates. The species utilizes its chelipeds to grasp and manipulate food, efficiently extracting nutrients from its surroundings.