- smooth dogfish - small bottom-dwelling shark found along both Atlantic coasts
--1 is a kind of dogfish
--1 is a member of Triakidae, family Triakidae
--1 has particulars:smoothhound, smoothhound shark, Mustelus mustelus; American smooth dogfish, Mustelus canis; Florida smoothhound, Mustelus norrisi; whitetip shark, reef whitetip shark, Triaenodon obseus