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Feb. 28, 2023 Cartilaginous fish have changed much more in the course of their evolutionary history than previously believed. Evidence for this thesis has been provided by new fossils of a ray-like shark, ...
May 12, 2022 From embryo to turtle cracker: Palaeobiologists studied the multiple changes in tooth shape in the tiger shark. The study is also central in drawing conclusions about extinct species from the myriad ...
Nov. 13, 2023 New genetic data show that humans and sharks share bitter taste receptors, even though their evolutionary pathways separated nearly 500 million years ...
Nov. 21, 2022 For sharks living in the open ocean, longline fishing is the number-one threat, with an estimated 20 million pelagic sharks caught annually by fishers looking for tuna and other desired ...
Jan. 21, 2022 In a win-win for commercial fisheries and marine wildlife, researchers have found that using lighted nets greatly reduced accidental bycatch of sharks, rays, sea turtles, and unwanted ...
Mar. 15, 2022 The first physiological evidence that sharks take a break from tracking prey to catch a few winks has been uncovered by a researcher who specializes in sleep among aquatic creatures, from sharks to ...
Oct. 11, 2023 Tens of thousands of endangered sharks and rays are caught by small-scale fisheries off the Republic of the Congo each year, new research ...
Feb. 19, 2024 Until recently, Orthacanthus gracilis could have been considered the 'John Smith' of prehistoric shark names, given how common it was. Three different species of sharks from the late ...
Nov. 29, 2022 Differences in sharks' olfactory systems are of interest not only because of their reputation for having an incredible sense of smell but also because they have been around since before the ...
Nov. 6, 2023 Sharks and rays from threatened species are being caught off northern Cyprus, according to a new study by scientists who are working with local authorities and fishers to protect the ...