The red king crab has 5 sets of gills used for respiration, that are in the bronchial chamber inside the carapace. The carapace is a masking of sheets of exoskeleton that overhang the thorax vertically to suit around The bottom of the thoracic legs. The carapace encloses two branchial chambers https://malcolmw109qjz0.wikifrontier.com/user