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Sharks

This tag is associated with 20 posts

Fintastic friends: even sharks prefer familiar faces

Researchers at the Bimini Field Biological Station Shark Lab investigated shark group preferences in juvenile lemon sharks, and the results are in: even sharks prefer their “friends” over strangers! Read on to learn more about these fin-tastic friendships.

It’s Getting Hot In Here: How Ocean Acidification and Warming Affect Shark Hunting and Behavior

Elasmobranchs such as sharks and rays face physiological and behavioral changes due to ocean acidification and rising ocean temperatures. Read about how these changes influence how sharks hunt and their role in the marine ecosystem.

Sand Tiger Sharks: Tracking US east coast movement for better management

Sand tiger sharks are a coastal species common throughout the world that can interact with many fisheries. Here we explain how acoustic and satellite tagging techniques can help scientists better inform sand tiger shark management.

Does long term SCUBA diving affect shark behaviour?

What happens when SCUBA divers and sharks mix? Do divers scare off sharks or attract them? Read more to find out!

Sharks and other ocean top predators: unlikely allies in combatting climate change?

Sharks offer more to humans than just pretty toothy grins…check out this article to learn how sharks and other top predators may act to regulate carbon production in marine food webs, which may have implications for climate change dynamics.

How just 3% saves 50%: Small expansions of protected areas in “shark hot spots” could save HALF of currently endangered Sharks, Skates, and Rays

The old adage of, “work smarter, not harder” even applies to shark conservation…read on to learn how targeted expansion of marine protected areas could better protect more than 50% of imperiled shark species around the globe.

Shark attack prevention: what works, what doesn’t?

We aren’t going to need a bigger boat to prevent shark attacks…read this review article to get an idea what shark attack prevention strategies are best for both humans and sharks!

Small but mighty: Will the epaulette shark survive ocean acidification?

Check out the first installation of Sharkbites Saturday! The epaulette shark is a small egg-laying species native to Australia. In this study, scientists look at the effects that increased carbon dioxide from climate change may have on these interesting reef dwellers.

Should all shark fishing be banned?

It might seem like a no-brainer to ban shark fishing as well as the sale and trade of shark products. But scientists wonder: is there a more effective management strategy? Read more to find out!

Long-lived sharks challenge ageing theory

Greenland sharks can live to be over 400 years old. What can they tell us about ageing?

Let’s Ghost Fishing for Halloween!

Ghost fishing is ghastly because it creates underwater graveyards for wildlife. The authors covered here wrote a new review of gear entanglement among mammals, reptiles, and sharks. Find out what they discovered by reading today’s post!

Ancient swimmers: Greenland sharks live for centuries

Using radiocarbon dating, scientists have discovered that the Greenland shark can live longer than any other known vertebrate. How long have some of these individuals been alive?

Marine Educator Conference Highlights: Glowing jellyfish, bad petitions, lost sharks & affordable VR

An ocean pharmacy made possible by jellyfish, the danger of bad petitions, the importance of understanding ‘lost sharks’, and affordable virtual reality–all highlighted in this post covering just a sliver of the National Marine Educators Association Annual Conference!

Why don’t sharks go deep?

Happy Shark Week! Today we examine a persistent and interesting biogeographical puzzle: why are there so few deep sea sharks?

Is ‘Shark Week’ Good or Bad for Sharks?

‘Shark Week’ has become a staple of summer television. It is currently the longest continuously running series on television. It is also a rare example of quality scientific research (in any field) getting prime time television coverage. However, scientists and conservationists have highly criticized Shark Week in recent years for ‘fear mongering’ tactics. What does the science say about the impact of Discovery Channel’s Shark Week on the public’s impression of sharks? What can viewers expect from this year’s programming? Find out here.

Tracking the movements of a heavily fished Fijian shark

The silvertip is a reef shark targeted for its fins. Scientists tagged a Fijian silvertip to learn more about what depths and temperatures it likes to hang out in.

Fear and Floating in the Atlantic

Does fear of predation alter sea turtle behavior? Researchers put an ecological model to the test by using large-scale movement patterns of sharks and sea turtles and found something unexpected.

Catfish sharks on catnip? Nope, just ocean acidification

Researchers from the University of Gothenburg in Sweden found that ocean acidification may cause hyperactivity in catfish sharks.

Cartilaginous Conundrum: Are Sharks and Skates Safe to Eat?

While smooth dogfish may not be on your list of favorite seafood, cartilaginous fish (mainly sharks and skates) may increasingly find their way onto your dinner plate due to the decline of more traditional fisheries. While increased demand for these species as a food item could help struggling seafood industries, recent proposals to use dogfish in federal food programs beg the question: Is it safe to eat shark?

Shark Date.

Carbon age dating of growth bands in white shark vertebrae reveal white sharks are older than originally thought and suggest a high threat of anthropogenic consequences to their death.

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