The soft green mass in the body of a cooked lobster is a digestive gland, sort of like a liver and a pancreas combined. It’s known to marine biologists as the hepatopancreas and to lobster fans as the tomalley. Lobster tails should be cleaned prior to cooking if you see this part of the lobster. However, it is not recommended to eat a lobster tail that has tomalley.
Please contact Customer Care if you notice tomalley on your lobster tails using this form and we'll be happy to assist!