English English Wikipedia has an article on:Cyprinella whippleiWikipedia Etymology From silver + fin. Noun silverfin (plural silverfins) (zoology) A small North American freshwater cyprinoid fish (Notropis whipplei, now Cyprinella whipplei). References “silverfin”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC. Wikiwand - on Seamless Wikipedia browsing. On steroids.