AKA barbels, these on a South American catfish can reach 4 feet in length & are covered with taste buds
Mobile Bay, South Alabama ... A 
young catfish just 6 inches in length has more than 1/4 million taste buds... [DOC] [TLE] ocean acidification  National Geographic Society (blogs) [PAR] They will give us less joy  much of the splendor and vibrance of these ... high the 
stakes are for ecosystems and those who depend on them (aka everyone!)