"A large metallic grey dorsal fin signalled a big shark, a short-fin mako," but this shark had a strange, orange patch on its head, Constantine writes in a statement. Was it "a buoy? An injury?" ...

WASHINGTON— The highly imperiled shortfin mako shark was denied federal protection today by NOAA Fisheries, which stated that a listing under the federal Endangered Species Act is “not warranted.” In ...