Shark : Science World Report

Nov 13, 2014 10:43 AM EST

Catsharks May be More Vulnerable to Overfishing Than Previously Thought

It's important to understand shark populations as they continue to be harvested and as their numbers continue to decline. Now, scientists have announced that shark populations in the Mediterranean are highly divided, which may have important implications for conservation efforts.

Sep 15, 2014 09:44 AM EDT

Paleontologists Uncover Prehistoric Shark that Once Lived in England

Millions of years ago, England was once covered with sharks and a tropical rainforest teeming with life. Now, scientists have investigated Yorkshire's 310-million-year-old past and have found that it also once hosted a prehistoric shark.

Sep 09, 2014 10:58 AM EDT

Ocean Acidification May Cause Sharks to Avoid Hunting Prey and Impact Sense of Smell

As climate change causes the acidity of ocean waters to increase, more and more species are being affected. Now, scientists have found that increased acidification could actually rob sharks of their ability to sense and smell food.

Aug 07, 2014 08:15 AM EDT

Deep Sea Shark Eyes are Adapted to Hunt Photons in the Twilight Zone

Scientists have found that the eyes of deep-sea bioluminescent sharks have a higher rode density than their non-bioluminescent counterparts.

Aug 05, 2014 07:34 AM EDT

New Juvenile Whale Shark Group Discovered Near Saudi Arabia

Scientists have discovered a juvenile whale shark aggregation off of the coast of Saudi Arabia, shedding more light on the behavior of these animals.

Jul 23, 2014 10:09 AM EDT

How Vulnerable are Sharks in Commercial Fishing? 12 Species Examined

Scientists have examined the survival rates of 12 shark species when captured as unintentional bycatch in commercial longline fishing and have found that some sharks may be more at risk than once thought.

Jul 01, 2014 09:40 AM EDT

Ancient Arctic Sharks Survived in Brackish Water 50 Million Years Ago

Scientists have found that about 50 million years ago in an Arctic Ocean, sharks managed to tolerate water that contained the same percentage of freshwater as Louisiana's Lake Ponchatrain does today.

Jun 17, 2014 07:38 AM EDT

Great White Shark Population is Not Endangered in the Pacific: Numbers are Growing

Scientists have found that the great white shark is not endangered in the Eastern North Pacific and, in fact, may have population numbers that are growing.

Jun 12, 2014 12:38 PM EDT

White Sharks May be Recovering: First Ever Look on Seasonal Distribution Patterns

Scientists have taken their first ever look on seasonal distribution patterns and historic trends in abundance of white sharks.

May 15, 2014 01:17 PM EDT

Shark Antibodies Could Create New Methods to Fight Serious Illness

There's a lot we can learn from sharks and now, scientists are using them to find out how we can combat serious illnesses. Researchers have taken a look at the antibodies in sharks to better understand how to stabilize them for use to combat sickness.