It has many of the signs it is an A. Aculeatus, but i have not seen that green color with them. its not vulgaris, the arm to mantle ratio is not correct.
Thanks D for the heads up on this one- I agree with the rest- looks like aculeatus.
Octo-queen- The star pattern is almost always obvious, except in some of the darker body patterns. This thread has a link to a paper showing some body patterns to look for...
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