Industry groups including Maine Lobstermen's Association are suing the Monterey Bay Aquarium in California for defamation, arguing in a lawsuit filed Monday that their prized catch shouldn't be on a "red list" published by Seafood Watch, a conservation program it operates. on its list of seafood to avoid due to the threat posed to rare whales by entanglement in fishing gear used to harvest American lobster, the species that makes up most of the U. The loss of sustainability recommendations has caused some retailers to stop selling lobster