Body Size of Extinct Gigantic Megatooth Shark – Otodus Megalodon – Indeed off the Charts in the Shark World
A new study shows that the body size of the iconic gigantic Megalodon or megatooth shark, about 50 feet (15 meters) in length, is indeed…
Sharks
Protecting a Nearly Endangered Species: Tracking Hammerhead Sharks Reveals Conservation Targets
Nova Southeastern University researchers lead team studying smooth hammerhead sharks. They are some of the most iconic and unique-looking creatures in our oceans. While some…
Whale Shark Girls Overtake the Boys to Become World’s Largest Fish
A decade-long study of the iconic fish has found male whale sharks grow quickly, before plateauing at an average adult length of about eight or…
Unexpected Discovery of a 410-Million-Year-Old Fossil Forces Rethink of Shark Evolution
Sharks’ non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise. The discovery of a…
Finally Revealed: Gargantuan True Size of Legendary Prehistoric Mega-Shark Megalodon
A new study led by the University of Bristol and Swansea University has revealed the size of the legendary giant shark Megalodon, including fins that…
Reef Sharks in Decline – Already Functionally Extinct on Many of the World’s Reefs
Global survey reveals sharks are functionally extinct on many of the world’s reefs, but hope lies in key conservation measures. Though many people find them…
Life in the Shallows: A Trap for Baby Sharks
Scientists can now explain how baby reef sharks tolerate living in the sometimes-extreme environments of their nurseries — but, they also say these habitats face…
Scientists Surprised When They Examine Stomach Contents of Great White Sharks and Find Out What They Really Eat
Understanding how sharks feed is vital for managing human interactions. The first-ever detailed study of the diets of great white sharks off the east Australian…
Legacy of Cold War Nuclear Bomb Tests Solves Whale Shark Mystery
The radioactive legacy of the arms race reveals true age of the world’s largest fish. Atomic bomb tests conducted during the Cold War have helped…
The US Government Issued Sailors and Soldiers Shark Repellent That Didn’t Work – Here’s Why [Video]
People have been developing different forms of shark repellent for decades — the military even issued a chemical shark repellent called “Shark Chaser” to pilots,…
Ocean Acidification From Climate Change Is Damaging Shark Scales
While regular fish have flat scales, shark ‘scales’ look more like teeth. But their denticles also cover their body and in particular influence their ability…
Six-Year Whale Shark Study Offers New Behavior and Conservation Insights [Video]
International team of marine scientists complete six-year whale shark study The study uses a novel combination of several monitoring techniques, including state-of-the-art acoustic and satellite…
Shark Skin Microbiome Protects Wounds From Infection
No evidence of infection found in the bacterial community around shark wounds. A survey of the shark skin microbiome provides the first step toward understanding…
Tracking Basking Sharks Yields Fascinating Insights Into Their Behavior
Tracking the world’s second-largest shark species has revealed that it moves to different depths depending on the time of year. Basking sharks spend most of…
“Impressive” Memory and Navigation Revealed by Mako Shark Tracking off West Coast
These top predators travel far across the Pacific, returning to the same areas in the Southern California Bight each year. The largest effort ever to…
Scientists Document Summer Surge of Great White Sharks
They increasingly hunt in the waters off Cape Cod, and sometimes humans get in their way. Last summer, scientist Greg Skomal was one of them….
Shark Skin-Inspired Designs Improve Aerodynamic Performance
To build more aerodynamic machines, researchers are drawing inspiration from an unlikely source: the ocean. A team of evolutionary biologists and engineers at Harvard University,…
Special Fishing Weights Could Help Save Hammerhead Sharks
The global population of hammerhead sharks, a group of sharks in the family Sphyrnidae, has plummeted by 89% in the last 20 years, largely due…