The stem of Tianjin jellyfish is the Tianjin version of jellyfish meme, which comes from a video circulating on the Internet: a man picked up a jellyfish in the water, and in the process of picking it up, the top of the jellyfish's skull was taken off, so it was called "split up" by netizens, and this video was also dubbed as his last words by many dubbing enthusiasts and netizens. Tianjin version of jellyfish fans in Tianjin is dubbed as saying last words to jellyfish.

Jellyfish existed 650 million years ago, even before dinosaurs. There are more than 250 species of jellyfish in world waters, which are distributed in waters all over the world. They live in tropical waters, temperate waters, shallow waters, oceans about 100 meters deep, and even fresh water areas.

Jellyfish are important plankton in aquatic environment, including Cephalopods, Cephalopods, Cruciferae and Cubes. Jellyfish is a very beautiful aquatic animal. Its shape is like a transparent umbrella, and the diameter of the umbrella is large or small. The diameter of the umbrella of the big jellyfish can reach 2 meters. There are some whisker-like tentacles on the edge of the umbrella, and some tentacles can be as long as 20-30 meters.

The main component of jellyfish body is water, which is composed of endoderm. There is a thick interlayer between the two layers, which is not only transparent, but also floating. When they are moving, they use the reflection of water in their bodies to move forward. Seen from a distance, they float fast in the water like a round umbrella. Some jellyfish have umbrellas with colorful patterns. In the blue ocean, these swimming jellyfish of different colors look very beautiful.