Beautiful underwater world, a fascinating creature

Jellyfish are important plankton in the aquatic environment, including cnidaria, pottyphozoa, cross medusa, cubic medusa. Jellyfish are very beautiful aquatic animals. Its body shape is like a transparent umbrella, the diameter of the umbrella-shaped body is large and small, the diameter of the large jellyfish umbrella-shaped body can reach 2 meters. There are some whisker tentacles along the edges of the umbrella. some tentacles can be 20-30 meters long

They can be found in tropical waters, temperate waters, shallow waters, oceans up to 100 meters deep, and even fresh water. Jellyfish have been around for 650 million years, predating even the dinosaurs. There are more than 250 species of jellyfish in the world's waters, and they are found all over the globe. All live in the ocean.

Jellyfish is a kind of animal cells, simple structure, no muscles and bones, body is 98% water, but some jellyfish may shine, comb jelly swimming in the sea, for example, show the spherical body of blue light, behind a few long tentacles in the slender shining light, along with the comb jelly swimming body flexion bending and swinging, brightness is various, is very beautiful and moving.