Currents and pressure are part of the danger, but many animals ... of sea urchins are snorkelers who step on them thinking they are corals. One more reason to keep your hands and feet off reefs.

Sharks are abandoning coral reefs as ocean temperatures rise, leaving these vibrant ecosystems at risk of collapse. Without ...

In fact, their iconic streamlined form belies a homebody nature: They rarely stray more than a handful of miles from the reefs ... shark ecotourism can provide a lifeline to locals who depend on ...

More information: Zoe Storm et al, Recovery of reef shark populations invokes anti‐predator behaviours in mesopredatory reef fishes on a coral reef, Journal of Animal Ecology (2025). DOI ...