legal length to keep lobster
A legal lobster in the State of Maine has a carapace or body shell length that measures between 3 Â¼ inches and 5 inches. The measurement is made between the extreme rear of the eye socket to the end of the carapace. Minimum lobster size has a carapace or body shell length of 3 Â¼ inches. Maximum lobster size has a carapace or body shell length of 5 inches. Lobsters are measured from the extreme rear of the eye socket, along a line parallel to the center line of the body shell, to the rear end of the body shell.