The evolution of fins to limbs in the land invasion race

Why did animals with limbs win the race to invade land over those with fins? A new study comparing the forces acting on fins of mudskipper fish and on the forelimbs of tiger salamanders can now be used to analyze early fossils ...

Tiny reef speedster challenges tuna in the ocean sprint

(Phys.org)—Tiny coral reef wrasses can swim as fast as some of the swiftest fish in the ocean – but using only half as much energy to do so, Australian scientists working on the Great Barrier Reef have found.

Small male fish use high aggression strategy

(Phys.org)—In the deserts of central Australia lives a tough little fish known as the desert goby, and a new study is shedding light on the aggressive mating behaviour of smaller nest-holding males.

Poisonous Poisson

In contrast to the exhaustive research into venom produced by snakes and spiders, venomous fish have been neglected and remain something of a mystery. Now, a study of 158 catfish species, published in the open access journal ...

Enlarged fins enable Tibetan catfish to adapt to high plateau

With the uplift of the Tibetan Plateau, large mountains and rivers were created in Eurasia that significantly altered its geomorphology and climate. Since they are largely restricted to river systems, fishes are more likely ...

How fish evolved to walk

When you think about human evolution, there's a good chance you're imagining chimpanzees exploring ancient forests or early humans daubing wooly mammoths on to cave walls. But we humans, along with bears, lizards, hummingbirds ...

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