They’re rare beasts in their own right, but these three lobsters are sitting in a Portland lobster dealer’s tank all at the same time. Pete McAleney of New Meadows Lobster currently has lobsters that are bright blue, bright orange and calico, all of them starkly contrasting their mottled-green-and-brown brethen. Until two or three years ago, biologists said a calico lobster was a 1-in-30-million find; they now say the odds need to be recalculated.