In a murky river of southern Japan, a slimy creature with “pointed” teeth burrowed into the mud. Its shadowy habitat and cryptic looks helped it go largely unnoticed and, when occasionally ...

Ask most people what makes a fish a fish and they will list key traits, such as fins, scales, and perhaps most importantly, the ability to breathe underwater. However, the aptly named lungfish, which ...

Preparing eel isn't difficult, but it can be unpleasant because of the slippery, slimy skin. Most seafood vendors will offer to remove the skin for you, but for this dish, you need it on (it's ...

Changes in ocean currents stemming from global warming have led to a sharp increase in endangered Japanese eel larvae reaching rivers in Hokkaido in recent years, a scientific team found.