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Big, healthy great white shark washes up dead on Canada beach in latest of string of mystery strandingsScientists have performed a necropsy on a great white shark that washed up in Nova Scotia — the fifth unexplained stranding of its kind in a year — but were unable to determine the cause of death.
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Orcas attacked a great white shark to gorge on its liver in Australia, shredded carcass suggestsOrcas have been feasting on sharks' livers off the coast of South Africa for several years and could now be doing the same in Australia, the carcass of a great white suggests.
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Why is fish so smelly?Fish smell is from degrading lipids and bacterial reactions that increase in potency over time.
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The strange story of sharks that lived in a golf course pond for 20 years — then vanishedIn the 1990s, a group of juvenile bull sharks were left stranded in a golf course pond in Australia, where they thrived for decades. Now scientists are trying to understand why.
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Scientists have figured out when the biggest bull sharks are most active — and it's not when official advice suggestsResearchers tracked more than 200 bull sharks off the coast of New South Wales to find out exactly when they were most active and posed the greatest risk to humans.
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Pacific lamprey: The jawless fish that survived 4 mass extinctions and sucks prey dry of blood and body fluidsLampreys belong to an ancient group of fish called Agnatha that evolved 450 million years ago, predating both dinosaurs and trees.
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World's oldest aquarium fish 'Methuselah' could be decades older than we originally thought, DNA clock revealsA new study has found that the famous Australian lungfish Methuselah, who first arrived in the U.S. in 1938, could be up to 101 years old.
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'True rarity': Gigantic alligator gar caught and released in Texas reservoir could break 2 world recordsAnglers in Texas reeled in a 283-pound alligator gar after a lengthy battle with the enormous fish. Experts say the catch likely breaks a 72-year record.
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2 liver-eating orcas forced an entire population of great white sharks to flee their home watersResearchers have discovered that hundreds of great white sharks that vanished from their home off the Western Cape of South Africa have moved east in order to survive — but this could spell trouble for both the sharks and the people living there.
