While the whale shark is certainly a big animal, it’s considerably smaller than the blue whale, Balaenoptera musculus, which is the biggest animal in the world. The largest blue whale ever recorded ...

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But was this apex predator simply a beefed-up great white shark, and is it still lurking in the dark depths of the ocean? Emma Bernard, who curates the Natural History Museum’s fossil fish collection ...

In the study, researchers detail evidence of the rig shark – a small species found ... at the Swedish University of Agricultural Sciences recorded two species of stingrays making clicking ...

But scientists at the University of Auckland in New Zealand recently recorded a rig shark, or Mustelus lenticulatus, making a sharp clicking sound, most likely by snapping its teeth together ...

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In a first, researchers have recorded what could be a shark making deliberate sounds. A small shark from New Zealand, called a rig or spotted estuary smoothhound, grows rows of flattened teeth ...