Emily Bauernseind / New England Aquarium via AP

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. Read the full story here.

Related Articles:

• The science behind Halloween’s scariest creatures
• Sandy Impacts Halloween

Follow @NBCNewsPictures

•Sign up for the NBCNews.com Photos Newsletter