It is not clear why Parakneria thysi climbs. Fish are known for their swimming skills. It seems absurd to think of fish functioning outside their aquatic environment, given how they effortlessly glide ...

Hawaii's environmental extremes (read: a series of active volcanic islands isolated in the middle of the ocean) make it a hotbed of novel evolutionary adaptations. Take goby fish in the genus ...

A fish the size of a thick french fry shouldn’t be able to defy gravity. But in the Democratic Republic of the Congo, thousands of them do it at once - and researchers now have the evidence to prove ...

And now a surprising kind of rock climber that uses its fins to cover some impressive vertical ground. Here's science reporter, Ari Daniel. ARI DANIEL, BYLINE: Pacifique Kiwele Mutambala is a PhD ...

Going against the flow is always a challenge, but some waterfall-climbing fish have adapted to their extreme lifestyle by using the same set of muscles for both climbing and eating, according to new ...

Species evolve extreme adaptations to contend with the rigors of their environment. Microbes thrive in Yellowstone’s boiling springs; kangaroo rats can live without ever taking a sip of water in the ...

A new study provides insight into the magnitude of the effect this waterfall has on endangered fishes in the San Juan River. From 2015-2017 more than 1,000 razorback sucker and dozens of Colorado ...