Jellyfish are marine plankton in an important large-scale, belong CNIDARIA. Jellyfish life is very short, an average of only a few months to live. Jellyfish are invertebrates, belonging to the door of a coelenterate. The world's oceans has more than two hundred kinds of jellyfish, they are distributed in waters around the world. Jellyfish shape and size vary, the largest jellyfish tentacles can extend about 10 meters away. Some belong in the classification Hydrozoa, some are Scyphozoa, its life history, almost all types have two types, namely Hydra type and jellyfish type, and there are two types of sexual reproduction and asexual reproduction between generations pay phenomenon, and we often jellyfish, jellyfish type that is sexual.

Corals are groups or coral skeletons, the name comes from the ancient Persian sanga (stone). Coral is a marine cylindrical coelenterate, food from the mouth into the food residue is discharged from the mouth, which feed on tiny ocean plankton for food, in the growth process can absorb calcium and carbon dioxide in seawater, then secrete limestone, shell into their survival. In China, some coral is Jixiang Fu symbol, has been used to make precious crafts. Red coral and amber, pearls are collectively referred to as organic gems. Qing Emperor row Asahi liturgy, often 戴红珊 made ​​of coral beads. There coral beauty beauty, blood eyesight is precious Chinese medicine herbs. Its English name is coral.

Lobster (scientific name: Palinuridae) are arthropods decapod crustaceans lobster Section 4 genera and 19 species of lobster known. Also known as prawns, leading shrimp, shrimp Quebec, shrimp and so on. It is the head and chest coarse, hard shell, colorful, abdomen short body length is generally between 20 cm to 40 cm and weighs 0.5 kg and down, no claws, shrimp is the largest category. The heaviest can reach 5 kg or more, known as lobster tiger. Lanes thick cylindrical, slightly flat flat dorsal and ventral carapace developed, and thick spiny, the leading edge of the center with a pair of strong spines on the eye, with the closure of the gill chamber. Mainly in tropical waters, is a valuable seafood.