'' Squalus nasutus'', the western longnose spurdog, is a dogfish of the family

Squalidae Squalidae, more commonly known as dogfish, dog sharks, or spiny dogfish, are one of several families of sharks categorized under Squaliformes, making it the second largest order of sharks, numbering 119 species across 7 families. Having earned t ...

, found on the

continental shelf A continental shelf is a portion of a continent that is submerged under an area of relatively shallow water, known as a shelf sea. Much of these shelves were exposed by drops in sea level during glacial periods. The shelf surrounding an island ...

off the northwest and southwest coasts of Western Australia, at depths between 300 and 510 m. Its length is at least 55 cm. ''Squalus nasutus'' is a rare, small and slender dogfish with a narrow head and long, narrow snout. A short medial barbel is on the

anterior Standard anatomical terms of location are used to unambiguously describe the anatomy of animals, including humans. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position prov ...

nasal flaps. The pectoral fin has a shallowly concave posterior margin. The first dorsal fin is moderately high with a short spine. Compagno, Dando, & Fowler, ''Sharks of the World'', Princeton University Press, New Jersey 2005 Coloration is light grey above, paler below, with no white spots. The pale dorsal fins have dusky tips and posterior margins. A dark blotch is seen on part of the caudal fin's posterior margin. Its reproduction is ovoviviparous.

References

{{Taxonbar, from=Q3282649 nasutus Fish of Australia Fish described in 2007 Taxa named by Peter R. Last Taxa named by Lindsay J. Marshall Taxa named by William Toby White