1. Firework Jellyfish: This is a kind of "firework jellyfish" inhabiting in the deep sea, there is no Chinese name, bright purple tentacles, light blue umbrella-like appearance, orange scattering body, from a distance it looks like a firework in the deep sea.

2. Silver Coin Jellyfish: This genus of jellyfish is named after its hard, transparent, lightweight, disc-shaped floating vesicle, which is shaped like a silver coin.

3. Hanagasa: one of the few "large" jellyfish in the class Hydrozoa, with an umbrella diameter of up to 18 centimeters, which is a giant compared to other hydroid jellyfish that are usually only one or two centimeters in size. Hanagasa jellyfish umbrella has irregular radiation distribution of black stripes, in the black stripes have a short tentacle at the end.

4. Sea moon jellyfish: Sea moon jellyfish jellyfish body is transparent, generally 25-49 centimeters wide, there are four obvious horseshoe-shaped gonads. They will use tentacles to catch prey, such as jellyfish bodies, plankton and mollusks. However, the tentacles have limited movement and they will just go with the flow.

5. The Black Sea Stinging Jellyfish: also known as the Underworld Golden Jellyfish, is a species of the genus Golden Jellyfish, which is mainly distributed in the Pacific Ocean in the waters off California and Mexico. This jellyfish is so secretive that it was not officially named by scientists until 1997.

In addition to the above, jellyfish living in the deep sea are egg yolk jellyfish, silver coin jellyfish, black sea stinging jellyfish and so on.