Upwellings of cold water from the deep sea to the surface ... But the study warns that migratory species such as bull sharks, which pass through these waters and are unprepared for sharp shifts ...

However, one shark tagged in 1936 had only grown 2.3 inches when it reappeared 16 years later. Specially adapted for cold water, this shark’s tissues contain high levels of chemical compounds ...

a current of intense cold water off South Africa's coast led to a mass die-off of more than 260 marine animals across 81 species in 2021. During this event, a surviving bull shark that had been ...

though the white shark tends to spit them out. Being a cold-water species, it forages preferentially for fatty foods, I believe. So it spits out birds and sea otters and humans and just eats seals ...

The giant extinct shark species known as the megalodon has captured the interest of scientists and the general public alike, ...

A rendering of Clavusodens mcginnisi, or “McGinnis’ nail tooth,” an ancient shark that stalked ... of a warm body of water called the Mississippian Sea. These species are between 3 and ...

Many members of this group cannot overcome the ecological boundary, and as soon as the water temperature rises, they strive to find new areas. According to scientists, more than 40 species of sharks, ...