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.
Most sea cucumbers range in length from 10 to 30 centimetres although the smallest species is only 3 millimetres long and the largest can reach 100 cm in length. They do not have arms like many other Echinoderms but do have tube feet, often with suckers, that allow the animal to crawl. They move using their tube feet.