Anderson's Blanket-Crab. Chlaenopagurus andersoni, with its protective planket of sea-anemones. This large hermit-crab, which was discovered by Dr. A. R. S. Anderson off the Malabar coast, living at a depth of 102 fathoms, does not at any time of life use a shell as a refuge, but is always accompanied by a particular species of sea-anemones
Biologist Randi Rotjan uses hermit crabs to demonstrate vacancy chains, just in time for the 2012 election. A Humanimal Doodle from award-winning children's author/illustrator Karen Romano Young