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.
Dwarf sawfish
The dwarf sawfish or Queensland sawfish, "Pristis clavata", is a sawfish of the family Pristidae, found in tropical Australia. This endangered species is by far the smallest species in its family.