Lake in the Hills, Illinois. Lake in the Hills (often abbreviated L.I.T.H. or LITH) is a village in  McHenry County, Illinois, United States. The population was 23,152 at the 2000 census. A 2006 special census put the village's population at 29,175.
Sea cucumbers are typically 10 to 30 cm (3.9 to 11.8 in) in length, although the smallest known species are just 3 mm (0.12 in) long, and the largest can reach 3 meters (9.8 ft).The body ranges from almost spherical to worm-like, and lacks the arms found in many other echinoderms, such as starfish.
Sea cucumbers are cylinder, or cucumber, hence the name-shaped invertebrate animals that live in many different ranges of the ocean. They can be found from warm tropical waters to cold deep sea trenches.They are most diverse to tropical shallow-water coral reefs.any of these sea cucumbers feed on or in the sand beneath them. Reef dwelling sea cucumbers are most often suspension feeders, as currents continually bring in food. One very important feature of the sea cucumber is the calcareous ring that encircles the throat.