Every winter, the Port Jackson shark returns to the temperate waters off New South Wales—a reliable visitor in an ever-changing sea. These sharks, affectionately known as “PJs” by locals, are philopatric, meaning they return to the same sites year after year to breed. Sure enough, these shots were all captured over five years in the same location off Shelly Beach—one of Sydney’s most popular swimming and snorkelling spots. Their presence here is a quiet reminder that sharks and humans can, and do, coexist. But life on this coastline isn't without its challenges. The mother sharks go to great lengths to conceal their corkscrew-shaped eggs, but their close cousin, the crested horn shark, often finds them. These hidden eggs can become easy meals when they are dislodged—another reminder of the delicate balance in even the most familiar waters. Both PJs and crested horn sharks are members of the bullhead shark family, and share a few common behaviours. They’re both bottom-dwellers that ...