As sharks disappear from key locations, scientists are using environmental DNA to find a small number that may actually be hanging on.
Ecology
May 2, 2018
0
119
A team of researchers with members from the U.S., France and the U.K. has found evidence showing reductions in shark populations in a part of the Indian ocean thought to be nearly pristine—the Chagos archipelago. In their ...
Tiger sharks appear to be genetically monogamous – and it could be putting the species at risk.
Ecology
Jan 17, 2018
0
49
Marine ecologists have shown that traces of DNA in the sea can be used to monitor shark populations.
Ecology
Dec 4, 2017
1
31
In a paper published in Proceedings of the Royal Society B: Biological Sciences, researchers report that shark species have evolved diverse physical attributes to help them thrive in different ocean ecosystems.
Ecology
Nov 27, 2017
0
17
As lawmakers propose banning the sale of shark fins in the U.S., a pair of scientists is pushing back, saying the effort might actually harm attempts to conserve the marine predators.
Ecology
Sep 24, 2017
3
20
A majority of shark fins and manta ray gills sold around the globe for traditional medicines come from endangered species, a University of Guelph study has revealed.
Ecology
Aug 25, 2017
0
198
Like finding a needle in a haystack, a team of scientists has discovered a new species of shark measuring less than a foot long and weighing under 2 pounds full-grown. This miniature, "glow-in-the-dark" shark is a member ...
Plants & Animals
Jul 26, 2017
0
1149
The blue whale is the largest animal that has ever lived. And yet they feed almost exclusively on tiny crustaceans known as krill. The secret is in the baleen, a complex filter-feeding system that allows the enormous whales ...
Plants & Animals
Jun 29, 2017
0
135
Leonie the leopard shark has made a switch that could save her species – becoming the first shark recorded to change from sexual to asexual reproduction.
Plants & Animals
Jan 17, 2017
0
648
