“A large metallic grey dorsal fin signaled a big shark, a short-fin mako. But wait, what was that orange patch on its head? A buoy? An injury? We launched the drone, put the GoPro in the water ...

"A large metallic grey dorsal fin signalled a big shark, a short-fin mako," Constantine wrote in the piece published March 11. "But wait, what was that orange patch on its head? A buoy? An injury?

The dorsal fin slicing through the Hauraki Gulf belonged to a shortfin mako—the world’s fastest shark. But something was… off. Its head bore a large orange smear. “At first, I was like ...

"A large metallic grey dorsal fin signalled a big shark, a short-fin mako," Constantine wrote in the piece published March 11. "But wait, what was that orange patch on its head? A buoy? An injury? We ...