Slender smooth-hound variety of benthic fishes and invertebrates, and also scavenges; human garbage has been reported among its stomach contents. Small bony fishes, lanternfishes in particular, are the most important prey type, followed by decapod crustaceans. Cephalopods, gastropods, isopods, brittle stars, dogfish sharks, and cartilaginous fish egg capsules may also be consumed. On the Challenger Plateau, cephalopods are an important food source for juveniles under long. Like the false catshark, the slender smooth-hound exhibits aplacental viviparity with oophagy, in a form different from that in the mackerel sharks. Mature females have a single functional ovary, on the right side, and two functional
Hound trailing the popularity of the sport led to the establishment of the "Hound Trailing Association" in 1906, this was followed by the Border Hound Trailing Association in 1933 and later the Yorkshire Hound Trailing Association and associations in County Cork and County Kerry. Trail hounds have evolved into a distinct breed or type of hound specifically bred for performance alone, they are sleek, hard muscled hounds with almost whippet like bodies. Trail hounds descend from the Fell hounds, foxhounds found in the north of England. In his "Foxes, foxhounds and fox-hunting", Richard Clapham stated "fell hounds trace their origin back to