Study shows example of a parasite using a bioweapon to control host
Two-faced fish clue that our ancestors 'weren't shark-like'
An investigation of a 415-million-year-old fish skull strongly suggests that the last common ancestor of all jawed vertebrates, including humans, was not very shark-like. It adds further weight to the growing ...
Electric eels deliver Taser-like shocks
The electric eel - the scaleless Amazonian fish that can deliver an electrical jolt strong enough to knock down a full-grown horse - possesses an electroshock system uncannily similar to a Taser.
Pufferfish myth busted—they do so breathe when puffed up
Researchers find oil platforms among the most productive fish habitats in the world
Researchers find first instance of fish larvae making sounds
Antifreeze proteins in Antarctic fishes prevent freezing... and melting
Antarctic fishes that manufacture their own "antifreeze" proteins to survive in the icy Southern Ocean also suffer an unfortunate side effect, researchers report: The protein-bound ice crystals that accumulate ...
Biologists show how the evolution of physical traits can influence behavior
For many male African cichlid fish, the best way to attract a mate is to build a really nice pit or sand castle on a lake bottom.
Fishes' innate food choice could change with the environment
The fact that fish choose their food based on what colours they can see, as opposed to how it tastes, is an inherited trait that could have implications for the evolution in the animal kingdom, new Deakin ...
Behaviour study shows rats know how to repay kindness
If I scratch your back and you scratch mine, then we're both better off as a result – so goes the principle of reciprocity, one of the most popular explanations for how co-operative behaviour has evolved. ...
Hormones may help tiny African fish climb social ladder
Want to work your way up the corporate or social ladder?
Weaker individuals in a population can strengthen its long-term stability, reduce likelihood of extinction
Having weaker individuals in a population can strengthen its long-term stability and reduce likelihood of extinction, according to new research from Victoria University of Wellington.
Fish pee helps keep coastal ecosystems healthy, thriving
Life in the Caribbean islands is an idyllic bliss. You can picture it, right? The sparkling clear water. The pristine coral reefs. The perfect amount of fish pee …
How tuna stay warm with cold hearts
Scientists at The University of Manchester, working with colleagues at Stanford University in America, have discovered how prized bluefin tuna keep their hearts pumping during temperature changes that would ...