barbel

noun

1. a slender, external process on the jaw or other part of the head of certain fishes.
2. any of various cyprinoid fishes of the genus Barbus, especially B. barbus, of European waters.

noun

1. any of several slender tactile spines or bristles that hang from the jaws of certain fishes, such as the catfish and carp
2. any of several European cyprinid fishes of the genus Barbus, esp B. barbus, that resemble the carp but have a longer body and pointed snout

1. A slender, whiskerlike feeler extending from the head of certain fish, such as the catfish. It is used for touch and taste.