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Overfishing has reduced biomass of most sharks and other large predatory fishes worldwide by over 90 percent, and even remote locations have been severely impacted.
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The Lost Shark, Carcharhinus obsoletus, is already extinct, and others that are expected to follow soon include four species each of hammerhead and angel sharks, from the world’s most threatened shark families.
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Researchers from James Cook University's ARC Center of Excellence for Coral Reef Studies examined stomach contents of reef sharks and conducted chemical analyses of shark body tissue to find out what they had been eating.
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Earlier that summer, the government of Spain successfully argued that, under the terms of international Sovereign Immunity, it never abandoned or otherwise relinquished its ownership of the Nuestra Senora de las Mercedes, which sunk during a sea b
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Sea anemones have long been known to release very powerful olfactory compounds, which might best be described as perfumes.
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“At the present moment in time, we cannot reliably gauge whether a trade fair can be implemented in January 2021.
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It all starts east of the Philippines where the constant blowing of the tradewinds and the ocean currents forces huge masses of water up against the Philippines, where it is trapped and forced southwards.
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Todd Essick writes:
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During my stay in Thailand, I have had the opportunity to meet and dive with some of the nicest people. I have fond memories working with members of the Thailand Underwater Archaeology Division, also known as the UAD.
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One evening in late December, fish were splashing in the glowing surface at the western edge of the fringe lagoon.
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Hold the regulator second stage loosely in your mouth, allowing excess air to escape. If possible, angle your head slightly to avoid bubbles in front of your eyes.
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Ray Clark relaxing during a surface interval in the Red Sea. Ray understood the importance of getting divers fun diving, and Adventure Divers ran many trips both in the UK and aboard, to help divers consolidate their skills.
,Ray Clark loved diving out of Swanage, Dorset
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The PADI International team pictured in Bristol in approximately 1995.
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Another student, James Belcher, wrote "I met Ray through the Adventure Divers shop. Dave, my dive buddy, and I would often book onto dives organised by Ray and Adventure Divers. I did a few dives out of Swanage with Ray on the club rib.
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Some of the Adventure Divers Diving Society members pictured before heading off on a UK dive trip. Image Credit: Tayden Lewis Clark
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Ray and Cathy Clark on their wedding day
Ray Clark is survived by his third wife, Cathy, and his daughter Tasha.
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IATA Travel Pass will manage and verify the secure flow of necessary testing or vaccine information among governments, airlines, laboratories, and travellers, the International Air Transport Association (IATA) writes in a press release.
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As a basic rule, most lenses provide their optimal sharpness with an aperture setting that is two full stops higher than the widest possible aperture of the lens.
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"Contemplating the waves from the shore is impressive, but actually taking the time and effort to look below the water’s surface changes you forever. "
—Elyse Fournier