A reef swim changes dramatically when marine life appears nearby. Hawksbill turtles often glide along coral ledges to feed ...

Roslyn and David Zinner are bobbing around in the pool at the Columbia Swim Center one May morning, testing the plastic fish, a floating fabric turtle and faux coral that will become this year’s Coral ...

This secretive native of both sides of the Caribbean—from Belize to the British Virgin Islands—hides out on ledges and in caves of reefs up to 140 feet below the surface of the sea. Although not being ...

Coral reefs are necessarily gorgeous in color and movement, but below the waves there is a similarly colorful world of sound. Underwater, there is a soundscape of snapping shrimp, grunting fish, and ...

Scientists analyzed the DNA of fish in the Galapagos Islands and discovered a colorful new species with white speckles, a study said. Photo from Getty / iStockphoto Swimming through the crystal blue ...

Butterfly fish feeding on a coral reef. The ability to bite food off hard surfaces, such as coral, evolved about 50 million years ago and led to the rapid formation of new species of fish on coral ...

GALVESTON (AP) - Divers descending into azure waters far off the Texas coast dip below a horizon dotted with oil and gas platforms into an otherworldly landscape of undersea mountains crusted with ...