Photo of the Day
Gray reef shark swimming through a dense school of plankton-eating fish.
April 28, 2026 | Reef Reborn
At Vostok Island, a remote, uninhabited coral atoll in the central Pacific Ocean, a gray reef shark emerges from a dense cloud of plankton-eating fish. In a story from the November 2022 issue of the magazine, National Geographic Explorer Enric Sala described these waters—one of the Pacific’s most remote reef ecosystems—as teeming with life. Thriving fish populations supported an abundance of top predators like sharks, a sign the reef had rebounded from devastating heat events.