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premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Free break-even services with personalized investment plans. Quickly recover from losses, avoid risks, and achieve steady growth with expert stock predictions and real-time market updates. A pair of orcas working in concert have been killing great whites along a stretch of South African coastline since at least 2017, plundering the sharks’ nutrient-rich livers and discarding the rest.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Accurate real-time market data and expert stock predictions for profitable investment opportunities in global markets. Scientists have been trying to make sense of the hunting approach, which hasdriventhe sharks awayfrom some parts of the coast around Cape Town, and now research has revealed a startling new twist in the behavior that could offer clues on what it might mean for the wider marine ecosystem.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Expert stock predictions and free stock selection services to help you achieve optimal returns and long-term growth. Scientists witnessed one of the hunters, a male orca known as Starboard, single-handedly kill a 2.5-meter (8.2-foot) juvenile white shark within a two-minute time frame last year.

“Over two decades of annual visits to South Africa, I’ve observed the profound impact these killer whales have on the local white shark population. Seeing Starboard carry a white shark’s liver past our vessel is unforgettable,” said Dr. Primo Micarelli, a marine biologist at Italy’s Sharks Studies Centre and the University of Siena who was aboard one of two vessels from which researchers observed the attack.

“Despite my awe for these predators, I’m increasingly concerned about the coastal marine ecology balance,” Micarelli said in a statement.

It’s not unprecedented for orcas, highly intelligent and social animals, to hunt large animals individually. However, it’s the first such occurrence involving what is one of the world’s largest predators — the great white shark — the researchers reported ina study published Fridayin the African Journal of Marine Science.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Receive professional stock analysis with real-time updates on market movements. Make quick investment decisions and capitalize on profitable opportunities. Starboard’s kill is at odds with more widely observed cooperative hunting behavior among orcas, which can surround large prey, such as sea lions, seals and sharks, and use their combined intelligence and strength to attack, said lead author Alison Towner, a doctoral researcher at Rhodes University.

Previously observed attacks on great whites involved between two and six orcas and took up to two hours, according to the study.

“This sighting revealed evidence of solitary hunting by at least one killer whale, challenging conventional cooperative hunting behaviors known in the region,” said Towner, who has studied great white sharks for 17 years, learning about their movement patterns through tagging data, in a statement.

“These are groundbreaking insights into the predatory behavior of this species,” she said. “The presence of these shark-hunting killer whales possibly ties into broader ecosystem dynamics. Rapid developments in this phenomenon, make it challenging for science to keep pace.”

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Free access to stock market forums, expert advice, and real-time data to help you stay informed and grow your investments. The event detailed in the study took place on June 18, 2023, 800 meters (875 yards) offshore close to Seal Island near Mossel Bay — about 400 kilometers (250 miles) east of Cape Town — where people on two vessels were observing the orcas.

Less than an hour after arriving, a shark appeared near the surface, and researchers, tourists and others on board witnessed Starboard grip the left pectoral fin of a shark and “thrust forward with the shark several times before eventually eviscerating it” in less than two minutes, the study said.

Later Starboard was photographed from one of the vessels with a “bloody piece of peach-colored liver in its mouth,” according to the study. Starboard’s male companion, Port, was observed around 100 meters (328 feet) away while the kill took place and didn’t get involved.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Get precise stock market predictions and free access to real-time market data for efficient decision-making and portfolio growth. The duo iswell-knownamong the study’s authors and has been involved in hunting and killing great white sharks for many years. The orcas’ dorsal fins are bent in opposite directions — the inspiration for their names.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Expert analysis of global stock trends, futures data, and real-time stock market quotes to help you plan your next investment move. The two travel huge distances along South Africa’s eastern coastline up as far as Namibia.Researchers suspect they first started targeting greatwhites in 2015.It wasn’t until 2022 that aerial footage first captured the orcas killing a great white shark, Towner said.

“While we don’t have solid evidence on the specific drivers, the arrival of the killer whale pair could be linked to broader changes in the ecosystem,” Towner said. “It’s clear that human activities, such as climate change and industrial fishing, are stressing our oceans. To fully grasp these dynamics, additional research and funding are essential.

“There are still plenty of unanswered questions about these shark-hunting killer whales and where they came from.”

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Free real-time global stock trend updates to help you capture market movements and make better investment decisions. The killer orcas are scaring off great white shark populations, but researchers don’t know where the sharks are relocating. “As they relocate, they might end up overlapping with heavy commercial fisheries,” Towner added.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Professional investment advice with real-time updates on stock indices and futures data. Stay ahead with expert predictions and market insights. The distinct smell of shark liver in the air and gulls diving toward a slick on the water’s surface, as well as a second shark carcassmeasuring 3.55 meters (11.6 feet) discovered nearby, led onlookers to believe another great white might have been killed before the boats’ arrival that day, the researchers said.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Free break-even services and stock analysis to help you recover quickly from losses and increase your chances of making profitable investments. The kill by a lone orca might have been made possible by the prey’s smaller size as a juvenile great white, according to the study. Adult great whites have a maximum length of 6.5 meters (21.3 feet) and mass of 2.5 tons.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Real-time global stock market trend analysis to help you identify profitable opportunities and improve your investment strategies. The swiftness of the attack may reflect Starboard’s skill and efficiency as a predator, which could be a response to the stress of spending time hunting close to shorelines in areas where humans are abundant, the study suggested.

“We cannot speculate that this killer whale has become more sophisticated but the rapid time frame he killed the shark in does show incredible skill and proficiency,” Towner said via email.

premier limited (500540) sees unusual trading volume ✌️【Capital Investment】✌️ Expert predictions on stock market movements with real-time data, ensuring you can make quick decisions and capture market opportunities. The livers of great whites are huge organs, about a third of their body mass,and rich in lipids, and the orcas discard the rest of the carcass — selective feeding behavior that’s known among other carnivores, such as harbor seals, brown bears and wolves, according to the study.

“The observations reported here add more layers to the fascinating story of these two killer whales and their capabilities,” Dr. Simon Elwen, founding director and principal scientist at Sea Search Research & Conservation and a researcher at Stellenbosch University in South Africa, said in a statement.

“As smart, top predators, killer whales can rapidly learn new hunting techniques on their own or from others, so monitoring and understanding the behaviors used here and by other killer whales in South Africa is an important part of helping us understand more about these animals,” added Elwen, who wasn’t involved in the research.

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