In the limestone ranges of Western Australia's Kimberley region, near the town of Fitzroy Crossing, you'll find one of the world's best-preserved ancient reef complexes. Here lie the remnants of ...

Most fish on Earth today are ray-finned fishes: minnows, anchovies, catfish, bluefish, groupers, flatfish, bonitos, you name ...

The placoderms were a diverse group of ancient armoured fishes and it's widely believed that they are ancestral to virtually all vertebrates alive today, including humans. Placoderms dominated aquatic ...

Around 400 million years ago, during a geological era often celebrated by paleontologists as the "Age of Fishes," the global ...

A pregnant fossil fish at the Natural History Museum in London has shed light on the possible origin of sex, according to a new study. Dating from the Upper Devonian period 365 million years ago, the ...

These days, all fish have teeth. The shapes of their teeth vary according to diet, ranging from the little pegs of goldfish to the formidable, pointed teeth of sharks. But fish evolved from toothless ...

The antiarch fish, a type of placoderm, was the first species to reproduce by internal fertilization—and it did so sideways, "square-dance style." The fishes' interlocking arms help the male ...

Australian researchers have discovered a remarkable 380-million-year-old fossil placoderm fish with intact embryo and mineralized umbilical cord. The discovery makes the fossil the world's oldest ...

When an Australian scientist uncovered an ancient-looking placoderm skull in the 1960s, he thought he'd cracked the code on an evolutionary mystery. This so-called 'platypus fish,' scientists had ...

In the limestone ranges of Western Australia’s Kimberley region, near the town of Fitzroy Crossing, you’ll find one of the world’s best-preserved ancient reef complexes. Here lie the remnants of ...