Climate Change Ocean Acidification
Does increasing ocean acidification mean sharks need a trip to the dentist?
How does ocean acidification affect shark teeth?
Tag: Sharks
Behavior
Devastating Depredation: When sharks eat anglers’ catches
Many people can imagine shark-related dangers to humans, but for anglers, a shark simply eating fish can be a threat.
Sensory Systems
Hearing Hardships: How sharks hear in a human-dominated world
Sharks can smell blood and detect heartbeats from great distances away. But did you know they have good ears too?
Biology
Could sharks and rays be headed for a global extinction?
A new study finds that over one-third of sharks and rays are threatened and may be at risk of extinction.
Human impacts
Are you afraid of sharks? Blame movies!
Scientists say that movies harbor lots of anti-shark sentiment. Here's how that may hurt sharks.
Behavior
Cookiecutter sharks chomp on everything, everywhere
From deep-sea crabs to large apex predators near the surface, nothing seems to escape the sharp jaws of cookiecutter sharks.
Ecology
We Finally Know Why Some Fish are Warm-Blooded
On average Tuna, Great White Sharks, and other warm-blooded fish swim faster than their cold-blooded counterparts
Aquaculture Biodiversity Conservation Ecology Human impacts Outreach
Taking a Bite of the Blue Economy
As Shark Week draws to a close, take a minute to check out how sharks are boosting ecotourism in Mexico.
Genetics
Shark Sleuthing: How scientists can identify which species of sharks attack
Though shark attacks are uncommon, it is in humanity’s best interest to learn all we can about the sharks responsible.…
Ecology
A mysterious, 19 million years ago mass extinction of sharks
Citation: Sibert, E. C., & Rubin, L. D. (2021). An early Miocene extinction in pelagic sharks. Science, 372(6546), 1105-1107. 10.1126/science.aaz3549 Fossilized remains…
Conservation Policy
Sleeper Sharks: From the jaws of defeat
There are many stories of species close to extinction. Sometimes, species can go locally extinct, disappearing from a particular area.…
Behavior Biological oceanography Biology Climate Change Evolution
One Fish, Two Fish, Climate Change, Who Lives?
There is variation within species, and this variation can lead to some individuals surviving better in the face of environmental…
Behavior
Shark Smarts: Can associative learning change shark behavior?
We all know that sharks are excellent hunters, but can the instinctual predatory mind of one of the ocean’s apex…
Conservation
From Table to Tour Boat: How Our Perception of Large Marine Animals Has Changed Over Time
Whether they elicit feelings of awe, admiration, or fear, there’s just something fascinating about large animals. In the Western world,…
Behavior
A game of shark and ray: Rays act differently when sharks are around
As our oceans change, we don’t really know what the current decline of sharks means for stingrays, or for the…
Ecology
Sinking Alligator Carcasses into the Deep Ocean to See What Eats Them
The Deep Unknown The deep ocean is an alien world. Life here must contend with crushing pressures, near-freezing temperatures,…
Genetics Sharkbites Saturday
Are you feeding your pet endangered sharks?
Did you know there could be shark in your dog or cat’s food? Did you know they could also be…
Sharkbites Saturday
Birds of a feather are eaten together: Young tiger sharks take a bite out of migrating songbirds
Drymon, J. M., K. Feldheim, A. M. V. Fournier, E. A. Seubert, A. E. Jefferson, A. M. Kroetz, and S.…
Fisheries
Does ocean circulation provide prey for a top ocean predator?
Ocean circulation patterns are generally thought to move water from one area to another in the world’s oceans. One example…
Sharkbites Saturday
In the hot seat: Hot spots for pelagic shark movement reflect hot spots for commercial longline fisheries in the North Atlantic.
Check out the latest from Matt Larsen about shark habitat around the globe, and how these areas overlap with fishing…