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 ...

This close-up image shows a colorful nudibranch gliding gently through marine vegetation. Known for their stunning colors and delicate forms, nudibranchs are among the most fascinating creatures in ...

Far below the ocean’s surface, where sunlight disappears and pressure reaches crushing levels, some of the planet’s strangest ...

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 ...