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.
Istrian Coarse-haired Hound the French Griffon Vendeén with the Istrian Shorthaired Hound, a smooth-haired hound developed from both sight hounds and scent hounds. The breed first took part in a conformation show in Vienna in 1866. The origin of the Istrian Coarse-haired Hound has been disputed since the 1960s, with competing claims from Croatia and Slovenia. In 2003 the Fédération Cynologique Internationale recognized the breed as originating in Croatia. The dog is still used for hunting fox, rabbits, hare, and wild boar. Istrian Coarse-haired Hound The Istrian Coarse-haired Hound (, ) is a dog breed from Croatia, developed in the mid-19th century for