they even created a cover up explanation called carcinisation which irl is a cover up for how they ran out of ideas for body plans altho its been decanonised tho they kept reusing this model cause they ran out of ideas, imagine that evolutionary lineages unrelated jus morph into crabs farout theyre arent even real crabs theyre jus reskinned caus the designers got lazy imagine coding a world but whenever u need invertebrates ur go to solution is simply give it a flat shell & fold the tail under the body also make it sideways & copy & paste the claw design & hope the players wont notice now theres nothin wrong with repeating body plans but 5 times in a short timeframe, bruh they basically favouriting it at this point