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
The Hound plateau, having only appeared before in 1920s "Celephais". Here placed in Central Asia, Leng is also associated in Lovecraft's writings with Antarctica and his imaginary Dreamlands. Lovecraftian scholar Will Murray, pointing to the "semi-canine face" on the amulet as well as the "corpse-eating cult" of Leng, suggests that the titular creature of "The Hound" "probably represents an early form of the ghoul as Lovecraft would develop it." On September 16, 1922, Lovecraft toured the Flatbush Reformed Church in Brooklyn with his friend Rheinhart Kleiner, writing about the visit in a letter: Lovecraft wrote "The Hound" shortly afterwards, using as the