barbel

noun3

1. •
   A freshwater fish of the genus Barbus or other closely related taxa in the cyprinid family.

   • The Barble fishes, if one of them chance to be engaged, will set the line against their backes, and with a fin they have, toothed like a sharp saw, presently saw and fret the same asunder. — 1603
2. •
   A whisker-like sensory organ, located around the mouth of certain fish, including carp, catfish, goatfish, sturgeon, and some types of shark.
3. •
   A barb or pap under the tongue of a cow or horse.