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Scientists are tagging sharks to map Pacific migration routes in a bid to expand marine reserves before more of these endangered species fall prey to illegal industrial fishing

Animal migrations are some of the most spectacular sights the natural world has to offer, from incredible wildebeest moving across Africa to the incredible solo journeys undertaken by bird species across planet Earth. Now, a silky shark has entered the record books with a record-breaking migration that helps highlight the vulnerability of this species.

Smalltooth sawfish develop their signature, long, tooth-lined snout while still in the womb. The needle-sharp teeth are encased in a specialized sheath that prevents the rays from cutting up their mother and siblings during gestation and birth. Now, scientists have gotten their first close-up look at this built-in pocket protector.

The study reveals critical insights into the behavior of this severely overfished species and emphasizes the urgent need for cooperative international management measures to prevent further population declines.

A new study by more than 100 ocean scientists has concluded that Marine Protected Areas (MPAs) that impose and fully enforce bans on fishing and other damaging human activities host nearly twice as may reef-dwelling sharks as those that allow fishing.

Marine biologists in India have used genetic tools and talked to fishermen in order to figure out how ray species are faring.

Researchers have found that heavily used shipping lanes pass through crucial whale shark feeding grounds, posing a threat to this endangered species.

Fossil experts say they have gained unprecedented insights into a type of enormous prehistoric shark, after finding complete skeletons of the creatures.

Scientists very rarely get access to most sharks, the development of their young or the nursery grounds where they grow. So seeing a hammerhead shark (Sphyrna tiburo) embryo, halfway through its five-month development, is very unusual.

Often considered keystone species, Chondrichthyans (sharks, rays, and chimaeras) face an imminent threat of biodiversity loss fueled by a cocktail of factors including overexploitation, habitat loss, pollution, and ever-looming specter climate change. Pollution, in particular, is a silent killer with heavy metals like cadmium (Cd), lead (Pb), and copper (Cu) infesting our waters, wreaking havoc on ecosystems far and wide.