Sharks play a critical role in maintaining the balance of ocean ecosystems. Whether they’re top predators or mesopredators, their presence helps regulate populations of prey species and support the ...

Add Yahoo as a preferred source to see more of our stories on Google. Adult epaulette shark curled up amongst corals. These fish and a number of other species are known as “walking sharks” for their ...

Researchers from the UAB have shown that sex hormones accumulate in the skin of sharks. This finding opens a new way for the evaluation of their reproductive status by the biopsy of a sample that can ...

Forbes contributors publish independent expert analyses and insights. Márquez is a marine scientist and science communicator One of the most striking results was lower haematocrit levels in sharks at ...