Photo showing a natural tropical saltwater, marine aquarium fish tank, which has been landscaped with live rock and real living coral, to create a realistic coral reef. A mottled blue / purple background offsets the colourful fish pictured swimming around the fish tank. This marine fish include Clown fish (Amphiprion ocellaris), Yellow tang (Zebrasoma flavescens), Lyretail anthias / Sea goldie (Pseudanthias squamipinnis) and Orange Firefish Goby (Nemateleotris magnifica).