Before we start talking about tiger shark teeth, get to know the shark that these teeth come from. Tiger sharks, like many other shark species (but not all of them), are solitary creatures. They tend ...

A study, published in the Environmental Biology of Fishes on Dec. 4, has revealed that male sharks embrace their romantic partners by diving their teeth into a fin to begin fornication. Footage, ...

One of a blacktip reef sharks’ top teeth as seen under a scanning electron microscope. CREDIT: Maximilian Baum (HHU) / Steffen Köhler (HHU). Get the Popular ...

Even sharks’ famous tooth-regrowing ability may not save them from ocean acidification. Researchers found that future acidic waters cause shark teeth to corrode, crack, and weaken, threatening their ...

Sharks' teeth—some of nature's sharpest and most formidable weapons—may not withstand the effects of future ocean acidification, new research suggests. Scientists at the Heinrich Heine University ...