The smoothhound shark is a species of shark that belongs to the family Triakidae. It is a small, slender shark that is commonly found in temperate and warm waters around the world. There are several synonyms for the smoothhound shark, including the common smoothhound, the common dogfish, the smooth dogfish, the school shark, and the gummy shark. These different names are often used in different regions around the world, but they all refer to the same species of shark. Despite its somewhat intimidating name, the smoothhound shark is generally harmless to humans and is often caught for food or recreational fishing.