Spotless smooth-hound consumption of its flesh and fins which are much esteemed. It is caught using gillnets, trawls and longline fishing, either as bycatch or as a targeted species. It is not known whether the level of fishing is sustainable or whether the population is in decline. The IUCN has listed its conservation status of this shark as being "data deficient" and considers that further survey work needs to be done to assess population trends and catch sizes. Spotless smooth-hound The spotless smooth-hound ("Mustelus griseus") is a species of houndshark, in the family Triakidae, found on the continental shelves of the northwest
Speckled smooth-hound by artisan fishermen using gill nets. Landings in Chile peaked in 1989 at around 1300 tons but have since dwindled to less than 200 tons a year, with fish stocks declining and a transfer of the fisheries to targeting rays. In 2001, the Peruvian authorities introduced a minimum size requirement of for tollo. The speckled smooth-hound is assessed by the IUCN as being "near threatened" on the basis of its past over-fishing. This assessment may be raised to a more-threatened category if intensive fishing resumes. Speckled smooth-hound The speckled smooth-hound ("Mustelus mento") is a houndshark of the family Triakidae. It