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The longnose sawshark has a slender, slightly flattened body [2] with a very long rostrum that can make up to 30% of its total body length. It has pale yellow or grayish-brown dorsal coloring, white ventral coloring, and variegated, sometimes faint dark blotches, spots, and bars on its back.
A sawshark or saw shark is a member of a shark order (Pristiophoriformes / p r ɪ s t i ˈ ɒ f ɒr ɪ f ɔːr m iː z /) bearing a unique long, saw-like rostrum (snout or bill) edged with sharp teeth, which they use to slash and disable their prey.
Sawfish, also known as carpenter sharks, are a family of rays characterized by a long, narrow, flattened rostrum, or nose extension, lined with sharp transverse teeth, arranged in a way that resembles a saw. They are among the largest fish, with some species reaching lengths of about 7–7.6 m (23–25 ft). [1]
Sharks portal; 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.
Galeus longirostris Tachikawa & Taniuchi, 1987 (long-nose saw-tail catshark) Galeus melastomus Rafinesque, 1810 (black-mouth catshark) Galeus mincaronei Soto, 2001 (southern saw-tail catshark) Galeus murinus (Collett, 1904) (mouse catshark) Galeus nipponensis Nakaya, 1975 (broad-fin saw-tail catshark)
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.
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The bluntnose sixgill shark has a large body and long tail. The snout is blunt and wide, and its eyes are small. There are 6 rows of saw-like teeth on its lower jaw and smaller teeth on its upper jaw. [4] Skin color ranges from tan, through brown, to black.