‘A horror movie’: sharks and octopuses among 200 species killed by toxic algae off South Australia | South Australia

More than 200 marine species, including sharks in deep waters, lush marine tunes and octopus, were killed by poisonous algae that affects the coast of southern Australia since March.

Nearly half (47 %) of dead species were the fish carried by a ray and a quarter (26 %) of sharks and radiation, according to Ozfish’s analysis of 1400 citizen world reports.

Cephalopods – such as squid, fish and octopus – made 7 %, while DeCapods – such as sea cancer, kirkand and pore – constitute 6 % of the species reported dead or washed on the beaches.

Brad Martin, director of the Ozfish South Australian Carne Mikimotoy Algae – it was like a toxic blanket that suffocates marine life.

He said: “It can suffocate the fish from their gills, and cause bleeding by attacking red blood cells, and it is like nerve toxins and attacks the nervous system of fish and brain, causing extraordinary behavior.”

“This is why some fish and sharks act strangely and why many dead have a red tinge – it’s like a horror movie for fish.”

According to the Ministry of Environment in the state, he was driven by algae driven by a continuous thermal wave – with more hot water temperatures than usual – as well as relatively quiet marine conditions with a little wind and small amplification.

Although not toxic humans, algae can cause skin irritation and respiratory symptoms, and cause Group In marine life.

Martin said algae was first identified in mid -March in the state of the state in the state, and since then it has expanded to the coasts throughout the southeast.

Ozfish, an organization dedicated to the restoration of waterways and fish habitats, was concerned about the long-term effect on fish fisheries, since flowering had killed fish of all ages-from fingers, or children’s fish, and even fully cultivated fish-as well as food sources.

Several oyster farms And commercial Tubes Susan Claus, Minister of Environment, Susan Klose, said he was temporarily closed due to the outbreak of the disease, which is unprecedented for South Australia.

“We are talking about the prosperity of very large algae with a significant effect on marine life,” she said, with some parts of the fascism with a depth of 20 meters.

Marine biologist Professor Shona Murray from the University of Technology Sydney – from Select algae Under a microscope and through his DNA analysis – he said there are about 100 types of harmful algae, each with a different toxic effect.

While it is still not well understood, Carne Mikimotoy Murray said he believed that he was producing interactive oxygen that caused gills cells to damage in fish – which means they could not breathe.

While the current flowering spanned more than 150 km, it was not the worst in the history of Australia. In 2013, it blooms of different types, Alexandrium KatinellaShe said that “the entire eastern coast was completely covered in Tasmania and closed the water and seafood industries for about four months.”

Professor Martina Dublin, an ocean designer at UTS specialized in algae flowers, said large flowers can also reduce the amount of oxygen in the water.

Carne Mikimotoy She said that unusual algae was able to feed on sunlight as well as other organisms. These characteristics, along with unusually high water temperatures, are that the algae enabled the algae to become large and sustainable.

“In a low abundance, it is part of the natural food network. But in a high abundance, it can become a big problem,” Dublin said.

While such events were rare, it could be devastating to local economies. Improving early warning systems and management has the ability to reduce damage.

Strong Western winds were ultimately needed to waste algae, according to a SA spokesman for the Ministry of Environment. They said: “However, the continuous high pressure systems that affect southern Australia have delayed this wind.”