Sawfish ~ Plastic Replica ~ F6028-B378
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 7 m (23 ft). They are found worldwide in tropical and subtropical regions in coastal marine and brackish estuarine waters, as well as freshwater rivers and lakes. Exactly how they use their saw after the prey has been located has been labeled with some uncertainty and information was often based on speculations rather than actual observations. In 2012 it was shown that there are three primary techniques, informally called "saw in water", "saw on substrate" and "pin". If a prey item such as a fish is located in the open water, the sawfish uses the first method, making a rapid swipe at the prey with its saw to incapacitate it. It is then brought to the seabed and eaten. The "saw on substrate" is similar, but used on prey at the seabed. The saw is highly streamlined and when swiped it causes very little water movement. The final method involves pinning the prey against the seabed with the underside of the saw, in a manner similar to that seen in guitarfish.