Definitions for "Barbels"
Keywords:  whisker, fleshy, tactile, catfish, chin
A fleshy, tubular extension of the skin, usually on the head or the neck, which appear to be sensory, probable tactile in function.
Fleshy outgrowths ("feelers") around the mouth in some fishes.
sensory projections around mouth
Keywords:  koi, taste, possess, pairs, food
Koi possess two pairs of barbels. These are used to locate food by taste.