To study their feeding habits further, Carlisle led a research team that studied 150 stomachs of these creatures over 50 years around the world which revealed some pretty interesting findings about them.
Fossil scales show shark life before humans
The study found that the number of sharks in Caribbean Panama decreased by two-thirds over the last few centuries.
Warm-blooded sharks, like white sharks, evolved for greater speed
New research from marine biologists offers answers to a fundamental puzzle that had until now remained unsolved: why are some fish warm-blooded when most are not?
Environmental DNA could provide new insights for tracking whale shark populations
Scientists have developed a new way of tracking whale sharks by collecting eDNA from oceanside areas where we know that whales swim past periodically.
400 million year old fossil casts doubt on previous thoughts on shark teeth evolution
By Benedict King, Max Planck Institute for Evolutionary Anthropology; Martin Rücklin, Naturalis Biodiversity Center, and Philip C J Donoghue, University of Bristol Teeth play a central role in the ecology of most vertebrates – for catching prey, processing food and even attracting a mate. It’s no surprise that scientists such as ourselves have long been […]
Sharks and cancer: past myths, present realities and future possibilities
Whilst sharks do seem to have some kind of resistance to disease, they are not immune to cancer.
Three new glow in the dark shark species discovered
Scientists off the coast of New Zealand discover three new deep-sea shark species. All three species glow in the dark. One of these sharks is now the largest known luminous vertebrae. Bioluminescence: When a living organism produces visible light through a chemical reaction. The phenomenon is widespread among marine life. However, this is the first […]
Fun facts about shark sex
With love in the air –and water — this Valentine’s Day, the lovely ladies at Shark Angels have compiled some interesting facts about the reproductive habits of sharks.
New study finds dangerously high levels of heavy metals in Caribbean sharks
A new study finds that alarmingly large levels of 12 heavy metals, including mercury, exist in the muscle tissues of reef and tiger sharks sampled throughout The Bahamas. Discovered by research crew Beneath the Waves, the new findings carry important implications for human health in the Greater Caribbean region, where humans occasionally consume sharks. […]
The biggest sharks tend to be the females of the species
In conducting the research, scientists visited Western Australia’s Ningaloo Reef for 11 seasons between 2009 and 2019.
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