Lone orcas take down great white sharks
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Researchers from the University of British Columbia (UBC) have uncovered compelling evidence of a potentially new population of killer whales in the Northeastern Pacific, distinct from known orca ecotypes.
This discovery, documented in a recent study published in Aquatic Mammals, is based on observations of 49 orcas exhibiting unique hunting behaviours, including predation on sperm whales and sea turtles, off the coasts of California and Oregon.
The Michigan Shipwreck Research Association (MSRA) has uncovered the remarkably preserved steamship Milwaukee, which vanished in 1886 after a collision and has been resting in 360ft (100m) of water for over a century.
MSRA located the Milwaukee in June 2023 using side-scan sonar and documented it extensively with an ROV. Still, the discovery was only revealed to an enthralled audience in a live announcement during their annual film festival.
The discovery was no small feat. After a persistent search that spanned several years, the submarine, which had been lost to the depths since November 1917, was identified through diligent research, underwater surveys and the collation of historical data.
Maritime historians and archaeologists, following years of meticulous research and underwater exploration, have confirmed the identity of the HMS Tyger. The ship, originally launched in 1741, played a pivotal role in British naval operations before succumbing to a fiery end in 1742.
The decline marks a significant departure from decades of slow population growth following the end of commercial whaling.
The study, conducted by a team of marine biologists led by Ted Cheeseman, found that the decline in humpback whale numbers coincided with the onset of a massive ocean heat wave, colloquially known as 'the blob', which began in 2013 and lasted until 2016. The blob led to widespread die-offs of man
A new study offers fresh insights into leatherback sea turtle migration and foraging patterns along the Northwest Atlantic shelf, with implications for conservation strategies.
Published in the Journal Frontiers in Marine Science, the research tracked 52 leatherback sea turtles from 2017 to 2022 during their migration from the South and Mid-Atlantic Bights during the warmer months to the food-rich areas in the north, near New England and Nova Scotia, Canada, and then their journey back during the winter.
Whether you are a diving professional looking to expand your network, an enthusiast seeking to deepen your knowledge, or an industry leader wanting to stay updated on the latest trends, Diving Talks promises to be an event that will leave a lasting impact.
Renowned speakers, interactive panel discussions, and hands-on workshops that will blow your mind! We're talking about everything from marine conservation to mind-blowing underwater photography and technical diving!
The Pacific island nation of Vanuatu is a remote destination in Melanesia that offers diverse diving on reefs, wrecks and in freshwater springs that are home to a number of endemic species. Pierre Constant shares his adventure there.
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On 29 March 2024, the first-ever concert performed in a cave by technical divers took place in Plura Cave in northern Norway. Technical diving instructor Antonio Chilton has the story.
An SAS approach to principles, techniques and application in recreational and technical diving.