Dusky smooth-hound fishes is their ability to continually replace the teeth in their upper and lower jaws. Smooth dogfish differ from other sharks because of their 10 rows of flat, blunt teeth. The teeth in the upper and lower jaws are similar in size and are asymmetrical with rounded cusps. These teeth are used to crush and grind food, rather than bite it. Their unique dentition is important for their crustacean-based diet. In smooth dogfish, tooth replacement is related to body growth. They grow about 10 cm per every six rows of teeth replaced. That is an increase of 0.03 mm per
Barak hound gun dog in the 1890s. "Local hunters, wanting to produce an efficient scent hound, developed this breed in the nineteenth century, using the available stock of dogs." The early type of today's smaller Istrian Shorthaired Hound may also have contributed to the Bosnian Coarse-haired Hound. The Bosnian Coarse-haired Hound was first recognised by the Fédération Cynologique Internationale in 1965 under the name of "Illyrian Hound". The name was changed to more accurately describe its area of origin in Bosnia. The breed is in Group 6, Scenthounds, Section 1.1 Large-sized Hounds, and is breed number 155. It is also recognised by