Slender smooth-hound 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 with a long, distinctively bell-shaped snout. Its mouth is angular with short furrows at the corners, and contains a very high number of tooth rows in both jaws. Its two dorsal fins are roughly equal
Starry smooth-hound least and prefers places where the seabed is sand or gravel. The starry smooth-hound mostly feeds on crustaceans, such as crabs, lobsters, and slipper lobsters, and molluscs. It matures at a length of about . It is an ovoviviparous fish, retaining its eggs in its oviduct where the young are nourished by the egg yolk and the oviduct's secretions. Seven to 15 young are in a litter, and they are about long at birth. The IUCN, in its Red List of Threatened Species lists the starry smooth-hound as "Least Concern". The justification for this is that it has a wide