freshwater species of the week

New Electric Fish Found, Are Wired Differently

Scientists who found two new species of electric fish in the Amazon River were stunned to discover that the two animals are, well, wired much differently. Unlike their relative the electric eel, which can generate a charge of 600 volts, these ...

New Electric Fish Found, Are Wired Differently

Scientists who found two new species of electric fish in the Amazon River were stunned to discover that the two animals are, well, wired much differently. Unlike their relative the electric eel, which can generate a charge of 600 volts, these ...

Hellbenders Reintroduced in New York: Freshwater Species of the Week

The Eastern hellbender–also called a snot otter, devil dog, mud dog, grampus, or Allegheny alligator–is one of the world’s largest species of salamander. The animal, formally Cryptobranchus alleganiensis, has been declining and is officially listed as “near ...

Hellbenders Reintroduced in New York: Freshwater Species of the Week

The Eastern hellbender–also called a snot otter, devil dog, mud dog, grampus, or Allegheny alligator–is one of the world’s largest species of salamander. The animal, formally Cryptobranchus alleganiensis, has been declining and is officially listed as “near ...

Live Bear and Salmon Cams Bring Nature Up Close

Nature programs often show the annual congregation of bears at streams during salmon runs, but few people get to actually see them up close. Now, National Geographic partner Explore.org offers Internet users an intimate look at this feeding frenzy (...

Live Bear and Salmon Cams Bring Nature Up Close

Nature programs often show the annual congregation of bears at streams during salmon runs, but few people get to actually see them up close. Now, National Geographic partner Explore.org offers Internet users an intimate look at this feeding frenzy (...

Tiny New Catfish Species: Freshwater Species of the Week

We’ve written before in Water Currents how scientists project that there are many species of freshwater fish yet to be described. Now, scientists have published a report in the journal Zookeys about a new species of catfish, one so ...

Ancient Embrace: Amphibian, Mammal Ancestor Buried Together

An injured amphibian and a sleeping cynodont, a mammal-like reptile, shared a home before being trapped by a flash flood 250 million years ago, a new study says. The unlikely cohabitants were found in a fossilized burrow in South Africa‘s ...

Ancient Embrace: Amphibian, Mammal Ancestor Buried Together

An injured amphibian and a sleeping cynodont, a mammal-like reptile, shared a home before being trapped by a flash flood 250 million years ago, a new study says. The unlikely cohabitants were found in a fossilized burrow in South Africa‘s ...