In large numbers, crown-of-thorns starfish can mow down wide swaths of coral reef. The International Union for Conservation of Nature (IUCN) reports that Acropora species are in the top three ...

They come in many shades, from golden yellow to sunset pink, but these canna musifolia bulbs are a brilliant coral. This particular canna variety is known for its large, dramatic leaves.

Giant clams, among the largest mollusks in the ocean, are a fascinating part of tropical coral reefs. These enormous ...

they are generally not feasible at large scales. And, although this project required a trained team of 42 people each time a cluster of spiders were anchored in the coral rubble, the full ...