 When food was identified as it fell through the water, the sawfish would approach its "prey" from the side and swiftly strike to impale the victim with the teeth of its saw.Both of these cases support the respective digging and attacking behaviors expected from feeding sawfish in the wild.In order to show that sawfish use their beak to sense their surroundings, Wueringer placed electric dipoles throughout the tank to simulate the electrical signals that surround moving prey.