This diver spotted a coral reef covered in sea worms that appeared to look like tiny trees. Free diver and underwater ...

Coral reefs are renowned for their beauty as well as their diversity. But not many people know that most of the diversity found around coral reefs is completely hidden to the naked eye. Welcome to the ...

South of Tampa Bay, in Florida, wedged between a quiet neighborhood and a mangrove forest, custom-designed aquariums are home to thousands of sea-urchin larvae that tumble and drift through the water.

Coral reefs are the most diverse of all marine ecosystems. They teem with life, with about one-quarter of all ocean species depending on reefs for food and shelter at some point in their lifecycle.