Sawfish
Sawfishes, 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 . They are found worldwide in tropical and subtropical regions in coastal marine and brackish estuarine waters, as well as freshwater rivers and lakes.
Short-tooth sawpalate
The Short-tooth sawpalate (Serrivomer lanceolatoides, also known commonly as the Black sawtoothed eel) is an eel in the family Serrivomeridae (sawtooth eels). It was described by Johannes Schmidt in 1916, originally under the genus "Leptocephalus". It is a marine, deep water-dwelling eel which is known from the eastern central and western central Atlantic Ocean, including the Bahamas and Bermuda, as well as the Strait of Gibraltar, Cape Verde, Canada and the United States. It dwells at a depth range of . Males can reach a maximum total length of .