Drastic shifts in animal behavior like the glass eels’ fluctuating migration patterns can often be attributed to significant ...

Andrew Carr Boxes of migrating glass eels are "picked up and moved" up to 10 miles upstream and released But as wetlands have been lost and migratory paths blocked by pumps and sluices ...

However, the ultrasonic waves emitted by the eels only reach a radius of 1 km. Not just near Japan, but also further south of their spawning grounds, covering 11 locations. For some reason ...

The Asian swamp eel is an air-breathing fish that can move across land to new locations. Florida offers ideal habitat.

In fact, said Nico, their use of air is so efficient that the eels can readily migrate short distances across land from one water body to another. Of particular concern to scientists and resource ...