There are several varieties of Anemonefish, the best known being the Clownfish made famous by the animated movie "Finding Nemo". The fish in this image are skunk anemonefish. See Clownfish in Purple-tipped Anemone and Green Anemone and Clownfish to see the difference.
This image is available in standard and square formats. The maximum sizes are 9 x 14 and 10 x 10 respectively. It is also available as a card.