Japanese sea catfish (Plotosus japonicas) are nocturnal 5.9-inch-long (15 centimeters) fish found in southern Japan that cruise the seafloor at night to snag worms and crustaceans. Japanese sea ...

Like strings on a guitar, spider silks can vibrate along a wide range of frequencies, transmitting information about prey, other spiders and even the condition of the web itself, researchers say. To ...

Catfish are equipped with sensors that can locate prey by detecting slight changes in the water's pH level, researchers have discovered. The study was an offshoot of work initiated in 1984 when ...

This article originally appeared on Massive. Two cichlids, small silver fish brushed with yellow, romantically swoop and dive around each other. Just out of reach of the breeding pair, a duo of ...

Catfish have evolved sensors on their whiskers that can help the animals hunt in the dark by detecting slight changes in water acidity, the first time such sensors have been seen in fish, researchers ...