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National Parks
Signs of hope for endangered sawfish
Signs of hope for endangered sawfish

Approaching Port Everglades in a helicopter, Ryan Goldman peered down at the water and saw a ray swimming at unusually high speed. Behind it, he spotted two large and bizarre-looking predators: the endangered smalltooth sawfish, which use their long, serrated bills to hunt prey. The two 12-foot-long fish swam out of the inlet as the helicopter circled and Goldman, a biologist for Broward County who was in the air to count manatees, took photos. The sighting in March may provide further evidence of a modest resurgence of one of the world's most endangered fish, a giant that that can reach a length of 18 feet. Although they resemble sharks, sawfish are a species of ray. They use the...