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Researcher links salmon sex to geological change

It turns out that sex can move mountains. A Washington State University researcher has found that the mating habits of salmon can alter the profile...

Size not important for fish in the largest mass extinction of...

Understanding modern biodiversity and extinction threats is important. It is commonly assumed that being large contributes to vulnerability during extinction crises. However, researchers from the...

Fossil holds new insights into how fish evolved onto land

"It's like a snake on the outside, but a fish on the inside." The fossil of an early snake-like animal -- called Lethiscus stocki --...

Ancient southern China fish may have evolved prior to the ‘Age...

An ancient fish species with unusual scales and teeth from the Kuanti Formation in southern China may have evolved prior to the "Age of...

Vision, not limbs, led fish onto land 385 million years ago

A provocative new Northwestern University and Claremont McKenna, Scripps and Pitzer colleges study suggests it was the power of the eyes and not the...

280 million-year-old fossil reveals origins of chimaeroid fishes

High-definition CT scans of the fossilized skull of a 280 million-year-old fish reveal the origin of chimaeras, a group of cartilaginous fish related to...

Fish fossil hunter poles apart

It's a white Christmas with a difference for an international gang of scientists heading from McMurdo Base to the Transantarctic Mountains in a gruelling...

Fish fossils reveal how tails evolved, professor finds

Despite their obvious physical differences, elephants, lizards and trout all have something in common. They possess elongated, flexible structures at the rear of their...

Giant extinct salmon fought with spike teeth during upriver spawning events

The ancient coastal waters of the Pacific, roughly 11 to 5 million years ago, were home to a bizarre and fascinating species of giant...

Early fossil fish from China shows where our jaws came from

Where did our jaws come from? The question is more complicated than it seems, because not all jaws are the same. In a new...

Ancient fish illuminates one of the mysteries of childhood

Remember dropping your milk teeth? After a lot of wiggling the tooth finally dropped out. But in your hand was only the enamel-covered crown:...

A new ‘king’ — New, gigantic, ancient armored fish discovered

We've all seen "Jurassic Park." We all know T. rex. But what about B. rex? Thanks to a team of scientists from the Academy of Natural...

Today’s most successful fish weren’t always evolutionary standouts

Take a glance around the oceans, rivers and lakes of today and you'll confront an astonishing diversity of fish, from narrow-bodied eels to the...

3D printed fish fossil may reveal origin of human teeth

Three-dimensional prints of a 400 million year old fish fossil from around Lake Burrinjuck in southeast Australia reveal the possible evolutionary origins of human...

‘Nursery’ Discovered in Belgium Provides Insight into Prehistoric Fish Life

An international team of scientists has described a rare fossil site that is believed to be among the earliest evidence of different fish species...

Devonian Fish Provides Unique Insights into Early Evolution of Modern Lobe-finned...

Crown or modern sarcopterygians comprise three major groups: coelacanths, lungfishes and tetrapods. With the exception of the tetrapods, sarcopterygians have a long evolutionary history...

Jawless fish brains more similar to ours than previously thought

Researchers at the RIKEN Evolutionary Morphology laboratory and other institutions in Japan have shown that complex divisions in the vertebrate brain first appeared before...

Fossil discovery: Extraordinary ‘big-mouthed’ fish from Cretaceous Period

An international team of scientists have discovered two new plankton-eating fossil fish species of the genus called Rhinconichthys (Rink-O-nik-thees) from the oceans of the...

Neopterygian Fish with Secondary Sexual Characteristics Found from the Middle Triassic...

Secondary sexual characteristics are features that appear at sexual maturity and distinguish the two sexes of a species. Studies of secondary sexual characteristics in...

Ash falls blighted the grasslands of Africa’s Rift Valley

The question of what conditions were like in the Rift Valley of East Africa 12 million years ago (Mya) has been the subject of...

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