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 are about 20 cm in length, while some adults may not grow to be over a centimeter. Sea cucumbers enjoy the life-span of five to ten years. Despite at first appearing as a plant or mineral on the ocean floor the sea cucumber, or Holothuroid, is an animal.The sea cucumber is in the Kingdom Animalia, Phylum Echinodermata, Subphylum Asterozoa (with sea urchins, sand dollars, sea stars, and basket stars).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.