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Sorry mine* I :caught: mine when he was about 4 inch diameter his claw broke off an two molts later he grew to 8 inch and his claw was completely grown back
Wow, 8" in diameter! Are we talking about the same crab? I'm sure we are but my arrow is only about 2 1/2" in diameter in a 29 gallon. I didn't realize that they got humongous!