Sharks have persisted as powerful ocean predators for more than 400 million years. They survived five mass extinctions, diversifying into an amazing variety of forms and lifestyles. But this ancient lineage is now among the ...
Plants & Animals
Jan 11, 2024
1
7
It's hard out there for a shark. A critical barometer to the health of ocean ecosystems, shark and ray populations have faced significant global declines from overfishing, habitat loss, and environment degradation. Add to ...
Ecology
Jan 23, 2023
0
36
About the size of a small school bus, the basking shark is the second largest fish in the ocean and is found in temperate and tropical waters across the globe. In the mid-1900s, basking sharks were observed by the thousands ...
Plants & Animals
Feb 22, 2022
0
146
The world's largest fish, the whale shark (Rhincodon typus), is a plankton-loving giant that can be found alone or in groups in all tropical oceans. However, despite being a highly migratory species, little is known about ...
Plants & Animals
Oct 28, 2021
0
63
According to the International Union for Conservation of Nature (IUCN), whale sharks are considered endangered, which means the species has suffered a population decline of more than 50% in the past three generations. The ...
Plants & Animals
Nov 12, 2019
0
161
Even the remotest parts of the ocean appear to offer highly migratory sharks little refuge from industrialized fishing fleets, according to a major new international study published in the journal Nature.
Plants & Animals
Jul 25, 2019
0
264
The Gilbert Island reefs in the Central Pacific were once home to two species of sharks not previously reported in historic records or contemporary studies. The species were discovered in a new analysis of weapons made from ...
Plants & Animals
Apr 3, 2013
0
0
An international team of scientists, led by the Institute for Ocean Conservation Science at Stony Brook University, has used DNA to determine that groups of dusky sharks (Carcharhinus obscurus) and copper sharks (Carcharhinus ...
Plants & Animals
Apr 27, 2011
0
0
(PhysOrg.com) -- A long-term field and DNA study by the Institute for Ocean Conservation Science at Stony Brook University, University of Miami, Field Museum of Chicago and others has shown that young lemon sharks born at ...
Ecology
Aug 24, 2009
0
0
Brazilian authorities must take a science-based approach to shark conservation, with experts warning extreme reactions to bite incidents and population growth will undermine the recovery of the fish.
Plants & Animals
Mar 15, 2024
0
18
