Coelacanths are difficult to classify. They have many characteristics in common with sharks, and yet in certain characteristics they more closely resemble other types of fish. In this activity, you ...

When you’re a predatory fish, sometimes the lunch you gobbled up doesn’t agree with you. Rather than accepting its fate, the still-living meal escapes your stomach and flees through the nearest ...

A species of Japanese eel has proven to be a master escape artist, capable of wriggling its way through a predator’s digestive tract to freedom. While it was known previously that Anguila japonica ...

Talk about a shock—electric eels use their built-in "taser" to stun prey from a distance, a new study reveals. Strong, fast pulses delivered remotely by the fish Electrophorus electricus cause its ...

Electric eels are something else. Snake-like fish, long and cylindrical, glide silently through murky, slow-moving waters.