The Spratly Islands are a nebula of biological wonder – an archipelago of atolls and reefs that support 600 coral species and ... scalloped hammerhead sharks, and dolphins.

Kaneohe Bay is home to coral reefs, an ancient Hawaiian fishpond and a breeding ground for hammerhead sharks. Sierra Club of Hawaii Executive Director Wayne Tanaka said the latest underwater ...

The hammerhead coral look like fingers waving back and forth in the water, and the tips of the anemones reach up and out toward the light. Busy hermit crabs toddle across the sand in search of ...