Shark teeth analysis provides detailed new look at Arctic climate change
A new study shows that some shark species may be able to cope with the decreasing salinity of Arctic waters that may come with rising temperatures.
New study: Ancient Arctic sharks tolerated brackish water 50 million years ago
Sharks were a tolerant bunch some 50 million years ago, cruising an Arctic Ocean that contained about the same percentage of freshwater as Louisiana's Lake Ponchatrain does today, says a new study involving ...
New study shows some sharks follow 'mental map' to navigate seas
A new study led by a University of Florida researcher uses tracking data of three shark species to provide the first evidence some of the fish swim directly to targeted locations.
Shark tracking reveals impressive feats of navigation
Some shark species are able to navigate to specific locations up to 50km away, a new study published in the British Ecological Society's Journal of Animal Ecology has found. Re-analysing tracking data from t ...
Hi-tech tracking tags expand aquatic animal research opportunities, collaborations
Advances in acoustic and satellite technologies are allowing researchers to track animals large and small across great distances, even in challenging ocean environments, leading to significant new knowledge ...
Longest ever tiger shark tracking reveals remarkable, bird-like migrations
Tiger sharks are among the largest and most recognizable sharks on the planet, yet many of their habits remain mysterious because they are long-distance travelers that are hard to track. But a new study, ...
New findings about sand tiger shark habitat, migration in Delaware coastal ocean
University of Delaware doctoral student Danielle Haulsee is the lead author on a paper reporting the combined use of underwater robotics and acoustic telemetry to understand sand tiger shark habitat and migration ...
Study reveals tiger shark movements around Maui and Oahu
UH Mānoa researchers are using tracking devices to gain new insights into tiger shark movements in coastal waters around Maui and O'ahu. The ongoing study reveals their coastal habitat preferences
Imbalance of sharks and sea turtles challenges ecosystems worldwide
(Phys.org) —The loss of sharks could contribute to the destruction of one of the planet's most under-appreciated sources of carbon storage—seagrasses. While sharks are often sensationalized as voracious ...
New study reveals vulnerability of sharks as collateral damage in commercial fishing
A new study that examined the survival rates of 12 different shark species when captured as unintentional bycatch in commercial longline fishing operations found large differences in survival rates across ...
Top marine biologists urge end to Australia shark cull
Hundreds of the world's top marine scientists have called for Western Australia to ditch its shark cull policy, arguing there is no evidence that it makes beaches safer, a report said Friday.
Underwater sound and lights show considered to repel sharks
Shark biologists deployed bubbles, chemical repellents, electric fields, lights and underwater sounds off the WA coast last month as part of a study into shark deterrents.
New study examines the effects of catch-and-release fishing on sharks
A new study led by scientists at the University of Miami (UM) Abess Center for Ecosystem Science and Policy and the Rosenstiel School of Marine and Atmospheric Science investigated how several species of ...
First shark killed in Australia cull
The first shark caught under a controversial new Australian culling policy aimed at reducing fatal attacks was shot dead Sunday after being snared, angering conservationists.