Young White Sharks Heading North as Climate Heats Up
A new study reports that the great white shark is migrating to new waters off the coast of California because of changing ocean temperatures.
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sharks
Empty Seas: Oceanic Shark Populations Dropped 71% Since 1970
Scientists have known for decades that individual shark species are declining, but a new study drawing on 57 global datasets underscores just how dramatically worldwide populations have collapsed in the past half century.
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Research Reveals Surprises in Evolution of Megalodon Teeth
The megalodon’s legendary big teeth — for which it’s named — likely came as a result of its gargantuan size rather than its changing dietary preferences as previously believed.
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Upper Ocean Temperatures Hit Record Highs in 2020
Ocean surface temperatures reached a new high in 2020, portending dangerous consequences as scientists urge officials to implement environmental protections and push for clean energy.
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High Cost to Wildlife From Shark Nets Protecting S.Africa Beaches
Conservationists say nets meant for sharks wind up trapping any large animal that swims too close to shore, making no distinction between sharks, dolphins, dugongs, sea turtles and whales.
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Megalodon Babies Grew by Eating Unhatched Eggs in Womb, Study Finds
New research released Sunday suggests Megalodon shark pups were born larger than most human adults, about 6.6 feet long, and feasted on unhatched embryos to reach such a large size.
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Size of Extinct Megalodon Is Off the Charts
Some creatures are so big they capture the public imagination. T-Rex. Triceratops. Titanosaur. And the megalodon, an iconic megatooth shark that dominated the oceans for millions of years.
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Malta Seeks Shark Tooth Fossil Presented to Prince George
Malta says it will seek to retrieve a shark tooth that was presented to Britain’s Prince George by veteran broadcaster and naturalist David Attenborough, who found the fossil during a holiday on the Mediterranean island in the 1960s.
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The Biggest Fish in the Ocean Are Girls, Study Reveals
Marine biologists revealed Tuesday that female whale sharks grow slower than males, but in the long run become significantly larger because males plateau once they reach adulthood.
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Australia Officials Probe if Dead Shark in Net Killed Surfer
Authorities will investigate whether a dead tiger shark caught in a net off an Australian beach killed a surfer, an official said Wednesday.
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Reef Tales: Candid Cams Reveal Shark Populations in Decline
An unprecedented global survey has revealed a shocking decline in the number of reef sharks, with the predators “functionally extinct” on nearly 20% of sites studied.
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Movement of Tiger Sharks Tracked in Gulf of Mexico
(CN) — Scientists have been studying the movement of tiger sharks, the fourth largest species of shark, in the Gulf
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Scientists Use Cold War Nuclear Bombs to Determine Age of Whale Sharks
Scientists have finally been able to determine the age of whale sharks, all due to atomic bomb testing conducted during the Cold War, in new research released Sunday.
Read moreSave the Sharks
The Conservation Council for Hawai’i accuses Secretary of Commerce Wilbur Ross in a federal complaint of having violated the Magnuson-Stevens Fishery Conservation and Management Act by failing to protect oceanic whitetip sharks from overfishing and ensure the rebuilding of the population, as mandated.
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Marine Scientists Discover Two New Species of Shark
An international team of marine scientists has discovered not just one but two new species of the rarely seen six-gilled sawshark in the West Indian Ocean.
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Conservationists File First Lawsuit in Mexico to Protect Hammerhead Sharks
A wildlife organization announced an unprecedented move in asking Mexico’s government to enforce an injunction to prevent the widespread killing of three species of hammerhead sharks.
Read moreSharks Feel the Love as Nations Push Protection of Marine Species
Sharks appear to be getting an image makeover as countries move to restrict trade in several species of the oceans’ top predator in a push to extend more protections to marine species.
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Greenpeace Sounds Alarm About North Atlantic Shark Fishing
Greenpeace is warning about overfishing of endangered sharks in the North Atlantic, often by Spanish and Portuguese boats.
Read moreSuppliers Challenge Texas Law Targeting Shark Sales
Sharks caught in U.S. waters are dressed in short order, fins are removed and carcasses are packed in trucks bound for Mexico. But an unconstitutional Texas law mandating sharks remain intact has cut off the Mexican market, shark-meat purveyors claim in a federal lawsuit.
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