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A Japanese sawshark laying on the sea-bottom. The Japanese sawshark (Pristiophorus japonicus) is a species of sawshark in the family Pristiophoridae. This shark has a long, narrow rostrum. Its first dorsal fin originates behind the tips of the pectoral fins, and its caudal fin is angled almost straight in line with the body. The Japanese ...
The Japanese sawshark (Pristiophorus japonicus) is a species of sawshark that lives off the coast of Japan, Korea, and Northern China. It swims at a depth of 500 m. [ 26 ] It has around 15–26 large rostral teeth in front of the barbels, which are equal distance from the gills to the snout, and about 9–17 teeth behind the barbels. [ 26 ]
Identification of the 8 extant shark orders. ... Pristiophorus japonicus Günther, 1870 (Japanese sawshark) Pristiophorus lanae Ebert & Wilms, 2013 (Lana's sawshark)
Pristiophorus delicatus Yearsley, Last & W. T. White, 2008 (Tropical sawshark) Pristiophorus japonicus Günther, 1870 (Japanese sawshark) Pristiophorus lanae Ebert & Wilms, 2013 (Lana's sawshark) [3] Pristiophorus lanceolatus Davis 1888; Pristiophorus nancyae Ebert & Cailliet, 2011 (African dwarf sawshark) [4] Pristiophorus nudipinnis Günther ...
[41] [42] The number of teeth varies depending on the species and can range from 14 to 37 on each side of the rostrum. [1] [43] [note 1] It is common for a sawfish to have slightly different tooth counts on each side of its rostrum. (The difference typically does not surpass three.) [44] [45] In some species, females on average have fewer teeth ...
It has a thickness of 3 mm (0.11 inches). The barb number on all specimens ranges from two to four barbs at the front margin and four to five at the rear, some specimens like CPHNAMA-VT 1085 having vestigial bumps that could be considered additional barbs. [2] Onchopristis numida tooth, displaying the same enamel ribbing found in Atlanticopristis
A Japanese pull saw is a handy tool for any woodworker or homeowner. Incredibly flexible, this saw can make a variety of cuts. Here are our expert's top picks.
The broadnose sevengill shark (Notorynchus cepedianus) is the only extant member of the genus Notorynchus, in the family Hexanchidae.It is recognizable because of its seven gill slits, while most shark species have five gill slits, with the exception of the members of the order Hexanchiformes and the sixgill sawshark.