Science news articles about 'sawfishes'

... species, Burgess said. Historically, the region was full of sawfish, but the numbers drastically declined as development encroached ... habitat and its encounters with humans rose, he said. "Sawfish are disappearing all over the world for basically the same reason ...

... grant to study the endangered but little-known sawfish, whose numbers are believed to have declined globally ...

... of Mexico threatens the existence of a critically endangered sawfish, as well as other already threatened species that dwell ...

Scientists thought that sawfish used their saw to probe the sea bottom for food.  But a Cairns researcher has found that these large ...

Instead of using their saws to probe for food, sawfish actually use their saw to find and dismember other fish, a new study shows.

... said. Wueringer's team earlier found that the saws of freshwater sawfishes are covered in thousands of electroreceptors. Those tiny sensors ... to changes in the fishing practices that are allowed in prime sawfish territory, noting that the saw is partly to blame ...

Research has found that the toothy snouts of freshwater sawfish are covered with receptors to detect the electric fields of other animals and plan an attack.

... of Mexico threatens the existence of a critically endangered sawfish and its relative that recently has been proposed to join it as the only two ... reaches critical mangrove habitat." The largetooth sawfish, which was most common in the northwestern Gulf of Mexico, has not been encountered ...

... fisheries in Florida -- including green turtles, sawfish, conch and groupers -- have severely reduced populations ...

... sharks under the CITES Appendices, along with those for the listing of both manta rays and one species of sawfish ...