Spiked snouts slash, impale and whack prey
Sawfishes use their spiked snouts as a combination sword, antenna and serving spoon — but not much at all as a saw, scientists have found.
Figuring out how the fishes use their whopper snouts has been tricky, says Stephen Kajiura of Florida Atlantic University in Boca Raton. Most of these rare and endangered relatives of sharks and rays live in murky waters or have been trained to captive-feeding procedures in big aquarium displays.
But Barbara Wueringer of the University of Western Australia in Crawley got a rare chance for a more natural look at a freshwater sawfish, Pristis microdon, in tanks in Australia just after they were collected from the wild. “No