Health | food safety Step Away From the Green Lobster Goop Crustaceans' guts may contain toxins: FDA By Drew Nelles Posted Jul 29, 2008 4:01 PM CDT Copied Lobster fisherman Bernie Feeney, of Whitman, Mass., displays a lobster with green rubber bands on its claws at the Cardinal Medeiros dock, in Boston, Wednesday, July 2, 2008. (AP Photo/Steven Senne) Many people consider tomalley, the green substance inside lobsters, a delicacy—but the FDA doesn't. The agency is warning tomalley fans that the crustaceans' internal organs can contain dangerous levels of a specific toxin, the Boston Globe reports. Eating tomalley from Atlantic lobsters can cause paralytic shellfish poisoning, which can lead to respiratory failure and even death. Read These Next North Carolina shooting suspect once walked the red carpet. Multiple people have been shot at a Mormon church in Michigan. The gunman who killed 4 at a Michigan church was an ex-marine. 'We heard a big bang,' says churchgoer in Michigan Report an error