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 ...

Researchers captured a video showing the orange-hued octopus clinging to the back of a large shortfin mako shark (Isurus oxyrinchus) as it swims. This "sharktopus" was spotted in the Hauraki Gulf ...

A young mako lies gutted on the dock of Star Island Marina in Montauk, New York, site of an annual shark-fishing tournament. More than 60 tournaments, targeting shortfin makos, threshers ...

But researchers aren't sure whether the octopus intended to ride on a shark's head. The shortfin mako is a large shark with big black button eyes and is extremely fast. Photo: Shutterstock Like ...

According to The New York Times, marine ecologist Rochelle Constantine and her colleagues were on a research trip along the northern coast of New Zealand when they noticed a shortfin mako shark in ...