This week, the collision between a group of "magic" moon jellyfish and algae dazzled by the bystanders, but it also brought warnings.

In the past few weeks, Storm Bay, east of Hobart, and half of the east coast of Tasmania have occurred in a large number of jellyfish breeding (the number of populations temporarily increasing). Biologist and jellyfish expert Lisa-Ann Geswin said that the increase in the number of jellyfish is "unprecedented" and last month "increased sharply" last month.

She said shooting Kim Orea - Moon jellyfish - On Thursday, it is "the most amazing thing I have seen in my life" in the biochemical glowing organism, but it is also a sign of problems.

Geswin said that the incident this week constitutes part of the "fascinating sequence". The incident began in early December. Simple creatures similar to jellyfish) breed in large quantities.

"This is like what I have never seen before," she said.

"Then they died, and the pulse of nutrients was produced, which led to an epic bloom. A glittering nightingale This is a biological glowing algae, "she said.

"This is indeed an epic. Now these quantities have decreased, and we are building jellyfish."

Gesin, who runs the "glowing journey" of nature, took a group of people to the Hobart Sea on Thursday night.

Although the visual effect is very spectacular, she said that jellyfish blooming is part of a series of sequences, indicating that "there is a problem in the ocean."

"Each of them is an obvious indicator of this point, and it is also the driving factor that causes greater damage. But combined, one after another, another, this is too crazy," she said.

Geswin said that although a large number of jellyfish breeding is a natural component of its life cycle, a large number of jellyfish has harm the ocean.

"What they do is to eat eggs and larvae of other species so that these species do not have the next generation ... The jellyfish eats them all," she said.

Geswin said that the bottle sea sheath consumes "a large amount" of floating plants, so "there is nothing else to eat."

"They can seize all these ecosystems in the population explosion," she said.

Geswin said that biochemical algae also predates floating plants and absorbed oxygen from the water.

She said that jellyfish and algae themselves are "terrible pests", but they are also very obvious signs of "some things lose balance".

Geswin said how long the jellyfish can stay depends on food acquisition and weather.

"No one knows, we are indeed unprecedented."