The Lesser Spider Crab, scientifically known as Maja crispata, is a fascinating marine crustacean belonging to the family Majidae. This crab is characterized by its distinctive appearance and its presence in various marine environments.
Description & Characteristics
Maja crispata exhibits a striking appearance that sets it apart from other crabs. Its carapace, or shell, is typically a reddish-brown color and can grow to a maximum size of approximately 10 centimeters. The carapace is covered in numerous spines and tubercles, giving it a spiky and rough texture. This unique morphology not only provides camouflage but also serves as a defense mechanism against predators.
Habitat and Occurrence
The Lesser Spider Crab is found in a variety of habitats, primarily in the northeastern Atlantic Ocean. It prefers rocky shores and sandy bottoms, often inhabiting depths ranging from the intertidal zone to depths of around 100 meters. Maja crispata is commonly observed in the neritic zone, which encompasses the waters above the continental shelf, where it can easily find its food sources. This species is a prominent member of the benthic community, residing on or near the seafloor.
Taxonomy
The Lesser Spider Crab, Maja crispata, is scientifically classified within the Class Malacostraca, Order Decapoda, and Family Majidae. This classification places it within the group of crustaceans that possess ten legs, including two large claws. The Majidae family encompasses a diverse range of crabs, many of which are characterized by their long, spiny legs.
Feeding
Maja crispata is an omnivorous species, meaning that its diet consists of a variety of food sources. It scavenges for dead animals and plants, and also actively hunts for small invertebrates like mollusks, worms, and crustaceans. This opportunistic feeding strategy allows it to thrive in a variety of habitats and environments.
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