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Unfortunately, the consideration for naming her Serendipity is the manner of acquisition. I will post the story sometime tonight, assuming a name is finally chosen (hard to do when you can't find her).
Monty is one of the, if not THE, best at camouflage of all the octos I have kept. He is still in a very small tank and we have trouble finding him when he does not want to be seen. I will suggest that the first "octopus" you find is a ruse and is one of my "octopus rocks", one of the few that even photographs to look something like an octo. It took Neal 5 minutes of looking in the right place in the aquarium before he could finally see Monty on the rock.