Hermit crab wood and stone are used by some species). The tip of the hermit crab's abdomen is adapted to clasp strongly onto the columella of the snail shell. Most hermit crabs are nocturnal. Hermit crabs can be divided into two groups: As hermit crabs grow, they require larger shells. Since suitable intact gastropod shells are sometimes a limited resource, vigorous competition often occurs among hermit crabs for shells. The availability of empty shells at any given place depends on the relative abundance of gastropods and hermit crabs, matched for size. An equally important issue is the population of organisms that prey
Bluebeard the Hermit When confirming the liberties of the citizens in 1453, Henry VI commended their fidelity in the arrest of the traitor "who called himself Blewberd the hermit". Bluebeard the Hermit Thomas Cheyny (died 1450), also known as Bluebeard the Hermit, was a fuller in Kent who posed as a hermit while inciting unrest. He was a leader in Canterbury of the uprising generally known as Jack Cade's Rebellion for which on February 9, 1450 he was captured and shortly afterward hung and quartered. His capture and execution were unpopular with the people to such a degree that the sheriffs of London