Ocean Watch: Sorting fact from fiction in fluid lives of clownfish

When I was snorkeling with masses of anemones in the Indian Ocean last month, my friends were calling all species of anemonefish that we saw clownfish. I explained that only the orange-and-white Nemo is a clownfish. The other are anemonefish with various common names such as pink anemonefish, Clark’s anemonefish and so on.