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
Smooth scheme only if the morphism "X" → Spec "k" is smooth. A smooth scheme over a field is regular and hence normal. In particular, a smooth scheme over a field is reduced. Define a variety over a field "k" to be an integral separated scheme of finite type over "k". Then any smooth separated scheme of finite type over "k" is a finite disjoint union of smooth varieties over "k". For a smooth variety "X" over the complex numbers, the space "X"(C) of complex points of "X" is a complex manifold, using the classical (Euclidean) topology. Likewise, for a smooth variety