Related topics: sharks

Sexiness doesn't always have a downside

(Phys.org) —University of Queensland researchers have found that sexiness doesn't have to be a burden, at least not if you're a male threadfin rainbowfish.

Is it a bird? Is it a plane? No, it's a squid

A species of oceanic squid can fly more than 30 metres (100 feet) through the air at speeds faster than Usain Bolt if it wants to escape predators, Japanese researchers said Friday.

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.

Lungfish provides insight to life on land

A study into the muscle development of several different fish has given insights into the genetic leap that set the scene for the evolution of hind legs in terrestrial animals. This innovation gave rise to the tetrapods—four-legged ...

How fish swim: Imaging device shows contribution of fins

There are fish tales and then there are fish tails. And a report from Harvard researchers in the current issue of the journal Biology Letters seems to demonstrate that previous theories about how bony fish move through the ...

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