Dusky smooth-hound time to induce tonic immobility in smooth dogfish was 32.5 seconds. The mean duration of the tonic immobility was 61.9 seconds. Sharks that had the “limp” response also exhibited tonic immobility. The “limp” response is a criterion for the onset of tonic immobility. Dusky smooth-hound The dusky smooth-hound ("Mustelus canis"), also called the smooth dogfish or the dog shark, is a species of houndshark in the family Triakidae. This shark is an olive grey or brown in color, and may have shades of yellow or grayish white. Females live to 16 years and males have a lifespan of 10 years.
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