Strange and unusual creatures

This image released by the New England Aquarium shows a one-pound female lobster, known as a "split," that was caught by a Massachusetts fisherman last week and arrived at the aquarium in Boston, Wednesday, Oct. 31, 2012. Officials say such rare Halloween coloration is estimated to occur once in every 50 million lobsters. (AP Photo/New England Aquarium, Emily Bauernseind)

This image released by the New England Aquarium shows a one-pound female lobster, known as a "split," that was caught by a Massachusetts fisherman last week and arrived at the aquarium in Boston, Wednesday, Oct. 31, 2012. Officials say such rare Halloween coloration is estimated to occur once in every 50 million lobsters. (AP Photo/New England Aquarium, Emily Bauernseind)