Plasma ClownAmphiprion Occelaris. The Plasma Clownfish pair, a captivating marine species, is renowned for its striking appearance characterised by their white bodies contrasted with black markings on the tips of the tail and fins, and an iridescent plasma like sheen. These fish are a popular choice among aquarium enthusiasts due to their hardy nature and compatibility with various reef setups. They not only add visual appeal to the tank but also exhibit