An emperor shrimp crawls on a spanish dancer nudibranch at Lembeh Strait, off the coast of North Sulawesi...
An emperor shrimp crawls on a spanish dancer nudibranch at Lembeh Strait, off the coast of North Sulawesi, Indonesia August 20, 2009. The Emperor shrimp, by matching the colour of its host, is adept at forming associations with several species of invertebrate, including the nudibranch and sea cucumbers. REUTERS/David Loh (INDONESIA ANIMALS SOCIETY)