The coral reef ecosystem is abundant and lively. Dive in for an underwater view of the species living there. Polyps, urchin, barracudas, and eels (among others) exist in part because of the sun's presence in this ecosystem. Use this as...

Coral reefs are the most diverse communities in the world, but what happens when fishermen catch the fish before they reach a state of maturity? Every year, over 30,000 tons of reef fish come into Hong Kong to be sold at the fish...