10
POPSRare Two-Toned Lobster Caught This is a fascinating example of a rarely-seen genetic mutation affecting pigmentation occurring during the first or second cell-division of the zygote's development, where bilateral symmetry is determined. The aquarium has received only three two-toned lobsters in 35 years, they note, and the odds of finding one that's exactly half and half is about 1 in 50 million.