CATDOLL : CATDOLL: Information about jellyfish

1. Information about jellyfish

Jellyfish (English name: Jelly Fish): It is an important plankton in the aquatic environment and belongs to the class of cnidarians, Scyphozoa. Jellyfish is a very beautiful aquatic animal. Its body shape is like a transparent umbrella. The diameter of the umbrella-shaped body varies. The diameter of the umbrella-shaped body of a large jellyfish can reach 2 meters. There are some whisker-like tentacles on the edge of the umbrella-shaped body, and some tentacles can be as long as 20-30 meters.

The main component of the jellyfish body is water, and it is composed of two germ layers, the inner and outer germ layers. There is a thick mesoglea layer between the two layers, which is not only transparent, but also has a floating effect. When they move, they use the reflection of the water spray in their bodies to move forward. From a distance, they look like round umbrellas floating rapidly in the water; some jellyfish have umbrella-shaped bodies with various patterns. In the blue ocean, these jellyfish of different colors are very beautiful.

Whether it is tropical waters, temperate waters, shallow waters, oceans about 100 meters deep, or even freshwater areas, they can be found. Jellyfish have existed as early as 650 million years ago, and they appeared even earlier than dinosaurs. There are more than 250 species of jellyfish in the world's waters, and they are distributed in waters all over the world.

2. Eating jellyfish is not poisonous. What is a jellyfish? What kind of animal is it? How to solve it?

Jellyfish and jellyfish are not the same. Jellyfish cannot be eaten, but jellyfish heads can be eaten. Jellyfish tentacles are poisonous, but jellyfish heads are not.

3. Why are jellyfish called jellyfish?

Because he lives in the water

There is no collective form

The body is mostly water

It's called jellyfish.

4. Are there no jellyfish in Palau’s Jellyfish Lake?

It’s true, it doesn’t exist anymore, or it’s very, very rare and you won’t come across it.

5. Is the Australian box jellyfish the most poisonous jellyfish?

The most poisonous jellyfish in the world is the Australian box jellyfish. The toxins of a box jellyfish are enough to kill 60 adults. If you are poisoned by a box jellyfish and do not receive treatment within 4 minutes, you will die. The Australian box jellyfish is a light blue transparent jellyfish, shaped like a glass box, with 4 distinct sides, each 20 cm long. The box jellyfish has 60 3-meter-long tentacles, each of which is covered with stinging cells that store venom. The only way to avoid being attacked by jellyfish is to avoid swimming in the waters where this jellyfish appears. At present, warning signs reminding people to pay attention to this jellyfish have appeared on all beaches in northeastern Australia. Scientists are working hard to find more effective antidotes and ways to prevent its attacks.