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The longnose sawshark aka the common sawshark (Pristiophorus cirratus) is one of 9 species within the family Pristiophoridae. [14] It has unique physical characteristics which include a long, thin, and flattened snout. Midway down the snout, nasal barbels protrude on both sides of the snout. [15]
Pristiophorus is a genus of sawsharks found in the Pacific, Atlantic and Indian oceans. Members of this genus differ from the Sixgill Sawshark (Pliotrema warreni) in having five gill slits.
The shortnose sawshark, (Pristiophorus nudipinnis) or southern sawshark, is a sawshark of the family Pristiophoridae. The body of this shark is slightly compressed, and its rostrum is narrow. The two dorsal fins are almost identical in size. In color, the dorsal side of this sawshark tends to be uniformly slate gray, with few or no markings.
The longnose sawshark is found in the eastern Indian Ocean around southern Australia and Tasmania on the continental shelf at depths of 20 - 600m. [4] While it may venture into bays and estuaries on occasion, longnose sawsharks prefer sandy and gravelly areas offshore between 37–146 m (121–479 ft).
Pristiophorus nancyae, the African dwarf sawshark or dwarf sawshark, is a sawshark of the family Pristiophoridae. The species was discovered in 2011 when a specimen was caught off the coast of Mozambique at a depth of 1,600 ft (490 m). [2]
The Bahamas sawshark, Pristiophorus schroederi, is a sawshark of the family Pristiophoridae, found in the western Central Atlantic Ocean from the Bahamas and Cuba at depths of between 400 and 1,000 m. These sharks are at least 80 cm long.