In Sea Jellies young readers discover that sea jellies are soft-bodied animals that live in oceans, and although they used to be called jellyfish, they are not true fish. They have many different shapes, sizes, and colors and swim by moving water in and out of the bell, the name for their body. Some sea jellies have tentacles that they use to catch food, and oral arms that move the food toward the mouth. Sea jellies are found in oceans around the world and many have beautiful shapes and colors. Fundamental science concepts in biology are explained through simply written text, colorful photographs, and fun illustrations. A pronunciation guide of scientific terms is included. 24 pages. Reading Level 1-3, Interest Level 2-5.