This little hermit crab—about the size of a grain of rice—was a difficult subject for Skerry. The tiny crustacean only pops his head out every so often to feed.
The crab, photographed in Japan, occupies a tube on top of an old World War II engine. “This was a challenging photo to make. He only gives you a few seconds to capture the shot,” he says.
Changes to the ocean’s temperature and chemistry threaten the crab’s home in the reef.
Vote for this photo to appear in the Natural History Museum’s Portraits of Planet Ocean exhibit, set to open in February 2013!