Caribbean hermit crab Caribbean hermit crab The Caribbean hermit crab, Coenobita clypeatus, also known as the soldier crab, the West Atlantic crab, the tree crab, and the purple pincher (due to the distinctive purple claw), is a species of land hermit crab native to the west Atlantic, Bahamas, Belize, southern Florida, Venezuela, the Virgin Islands, and the West Indies. Adults burrow and hide under the roots of large trees, and can be found a considerable distance inland. As with other terrestrial crabs, they utilize modified gills to breathe air. Their shell helps maintain the humidity necessary for gas exchange to function. Caribbean hermit
Wall spider Wall spider Wall spider is the common name for members of the genus Oecobius. The members of these several species are all very small spiders that make small flat webs over crevices in walls and in similar spaces. They possess an organ called a cribellum, which is a kind of comb-like device used to separate fibers of silk drawn from its spinnerets into many extremely fine fibers. Those fibers are so small in diameter that prey insects easily become entangled in them. The spiders then bite them before they can get away. One cosmopolitan species is "O. navus" (sometimes also