Along the murky bottom of the Amazon River, serpentine fish called electric eels scour the gloom for unwary frogs or other small prey. When one swims by, the fish unleash two 600-volt pulses of ...

A team of researchers at the Georgia Institute of Technology have zeroed in on an amphibious fish species to better understand the evolutionary pressures that molded blinking in land-dwelling ...

Researchers have traced cell origins critical to vertebrate evolution by studying a group of primitive, bloodsucking fish called lampreys. When you purchase through links on our site, we may earn an ...

A University of Wyoming researcher is part of an international team that has discovered how more than 700 species of fish have evolved in East Africa's Lake Victoria region over the past 150,000 years ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate freshwater ecosystems. The new species, Acronichthys maccognoi, shows early ...