Speckled smooth-hound seabed on the continental shelf at depths of between . Reports of this fish occurring in the Atlantic Ocean off the coast of Argentina are thought to be erroneous, and are likely to refer to the narrownose smooth-hound ("Mustelus schmitti"), another shark that is speckled with white spots. The speckled smooth-hound is ovoviviparous with eggs that develop within the female and hatch into juvenile fish which are about at birth. Litter sizes are typically seven. Along with the humpback smooth-hound ("Mustelus whitneyi") and the spotted houndshark ("Triakis maculata"), this fish is known to local fisheries as "tollo" and is caught
Hound trailing the old Talbot tans, while they later acquired a certain infusion of pointer blood ... in order to make hounds carry their heads higher." He further states the "fell hound is the antithesis of the Peterborough type. Instead of size, weight and power, we have lightness, activity, and pace, coupled with wonderful stamina..." In his "Hounds of the World", Sir John Buchanan-Jardine stated the fell hound was descended from the "Chien Blanc", a French hound that shares a common ancestor with the Poitevin, a scent hound known for its speed. Later harrier blood was introduced. In 1919 a Windemere Harrier