A new study has documented unexpected consequences following the decline of great white sharks from an area off South Africa. The study found that the disappearance of great whites has led to the emergence of sevengill sharks, ...
Ecology
Feb 13, 2019
0
1558
Two shark researchers who came face to face with what could be one of the largest great whites ever recorded are using their encounter as an opportunity to push for legislation that would protect sharks in Hawaii.
Plants & Animals
Jan 18, 2019
6
370
It's not just their teeth and jaws that people find intriguing. It's also their funky shapes and unique skeletal makeup that capture attention. Unlike humans and most land animals, sharks have mineralized cartilage skeletons ...
Plants & Animals
Jan 3, 2019
0
118
A collaborative team of marine biologists has discovered that basking sharks, hundreds of which are found off the shores of Ireland, Cornwall, the Isle of Man and Scotland, can jump as fast and as high out of the water as ...
Ecology
Sep 20, 2018
0
158
A white shark's acute sense of smell is legendary, allowing it to detect a potential meal several miles away—and giving pause to those of us who work and play in the ocean.
Ecology
Sep 14, 2018
3
125
It's always good to know where great white sharks are likely to be swimming. That's true if you're a nervous beachgoer, a fishing boat trying to avoid illegal bycatch, or a marine biologist hoping to conserve this vulnerable ...
Ecology
Jun 18, 2018
1
20
While a little added stress may be helpful to flee a dangerous situation, or to meet an approaching deadline, it's no secret that prolonged exposure to the stress hormone cortisol is linked to health problems. So, what effects ...
Ecology
Dec 6, 2017
0
1061
The movements of great white sharks in the Pacific and Indian oceans have long been the subject of academic study, but new research is just starting to shed light on the behavior of their Atlantic Ocean counterparts.
Ecology
Oct 7, 2017
2
147
New research supports the creation of more marine reserves in the world's oceans because, the authors say, fish can evolve to be more cautious and stay away from fishing nets.
Ecology
Mar 21, 2017
0
145
Despite evolving separately for 400 million years, some sharks and tuna share genetic traits linked to higher metabolism and quick swimming behaviour.
Evolution
Sep 23, 2016
2
342
