Paralithodes
Paralithodes is a genus of king crabs, decapod crustaceans belonging to the family Lithodidae. Found in the cold, deep waters of the North Pacific Ocean, these crabs are renowned for their large size and commercially valuable meat. Several species within the genus are known for their distinctive features, including their long, spiny legs and heavy, armored carapaces.
Common Names
King crabs, including those belonging to the genus Paralithodes, are known by a variety of common names, including:
- King crab
- Alaska king crab
- Red king crab
- Blue king crab
Characteristics
Paralithodes species share several key characteristics, including:
- Large size: They are among the largest decapod crustaceans, with some species reaching over a meter in leg span.
- Heavy carapace: Their bodies are encased in a thick, armored shell, providing protection from predators.
- Long, spiny legs: They have ten legs, with the first pair modified into large, powerful claws.
- Decapod body plan: Like all decapods, they possess a distinctive body structure, including a cephalothorax (head and thorax fused together) and an abdomen.
Environment
Paralithodes crabs are primarily found in the cold, deep waters of the North Pacific Ocean. They prefer hard bottoms, such as rocky reefs and sand, and are often found at depths of 200 to 600 meters. However, some species may occur at shallower depths, particularly during the breeding season.