11.3 Determine the molecular mass of a compound from the molecular ion peak [SL IB Chemistry]
Because the catfish has whiskers just like a pet cat does. Because the catfish has whiskers just like a pet cat does.
, Curator of Fishes Tennessee Aquarium Chattanooga, TN. 1  Catfish have derived these specialized âwhiskersâ called barbels to fill a niche. This could possibly have been to remain competitive against other more aggressive fish that may have out-competed them for food sources.