👉 Calocheiridius is a genus of crustaceans in the family Calophyctidae, which belongs to the order Serranidae. This group includes small, aquatic crustaceans that are commonly found in freshwater habitats such as rivers, lakes, and ponds. The term "calocheiridius" refers to a specific type of calico crab or black crab that is characterized by its unique appearance and characteristics. It is often associated with the Caloph
