One specimen that Diego always enjoys checking in on is the coelacanth. This legendary fish was once believed to have gone extinct in the era of the dinosaurs, but, astonishingly, living populations ...

Two species of small, deep-dwelling fish called pearlsides possess eye cells that break the rules of vertebrate vision, combining features of rods and cones into a single hybrid photoreceptor never ...

Add Yahoo as a preferred source to see more of our stories on Google. (Photo Credit: @hazeltheboxer__/Instagram) This dog has found something unbelievable, and she ...

University of Washington scientists have made a remarkable discovery: real teeth growing on the forehead of a deep-sea ratfish. This finding sheds light on the unique adaptations in fish anatomy, ...