Read about different predator-prey relationships on the reef. Like lions on the prowl ... they need only get past clownfish guards to pick off a delicious meal. Packed with miniature toxin ...

Nemo—a clownfish of the species Amphiprion percula—introduced millions of children around the world to a wondrous tropical ecosystem: the coral reef and its denizens. Clownfish get their name ...

About 50% of the world’s coral reefs have disappeared since the early 1980s ... to ban imports of 20 coral species listed under the Endangered Species Act. Clownfish and damselfish are also hit hard ...

Fire clownfish in the Great Barrier Reef, off the coast of Queensland, Australia. Photo: Auscape/Universal Images Group via Getty Images Why it matters: Coral reefs exist in more than 100 ...

Read about different competitive relationships on the reef. The bottlenose dolphin ... but fiercely territorial, clownfish to steal a meal. An anemone robbed of its clownfish guards will quickly ...