With their spiky armor and snouts full of whiskers, Gulf sturgeon have been ... WUSF reports. These fish, which are listed as threatened under the Endangered Species Act, face a slew of threats.

They are distinguished from other large catfish species by their near-total lack of barbels, or “whiskers,” as well ... the fastest growth rates of any fish in the world.

Harbour seals' whiskers are so sensitive they can sense a fish over 35m away. Their whiskers can also determine the size and shape of a fish using vibrations from the water The UK supports nearly ...