Slender smooth-hound thus the International Union for Conservation of Nature (IUCN) has listed it under Least Concern. However, this shark's very low fecundity would render it susceptible to population depletion should fishing pressure increase in the future. Slender smooth-hound The slender smooth-hound or gollumshark ("Gollum attenuatus") is a species of ground shark in the family Pseudotriakidae. It is endemic to the waters around New Zealand, where it is usually found close to the bottom over the continental slope at depths of . An extremely slim, plain brownish shark reaching in length, the slender smooth-hound can be identified by its broad, flattened head
Slender smooth-hound pups, one per uterus. The International Union for Conservation of Nature (IUCN) has assessed the slender smooth-hound as Least Concern; it is taken as fishery bycatch but not in great numbers, and furthermore large portions of its range see minimal fishing activity. The first known specimen of the slender smooth-hound was a long adult male collected by the trawler "Maimai" in December 1953, at a depth of off Cape Palliser on New Zealand's North Island. It was preserved by the crew as a curiosity and given to ichthyologist Jack Garrick, who described it in a 1954 issue of the scientific