the Tropical Coral Fish 3 coin series featuring the Royal Blue Tang, Royal Gramma and Guineafowl Pufferfish. The Guineafowl Pufferfish can be found in central Indian and Pacific Oceans from Africa, throughout Micronesia and to the Eastern Pacific and is best known for its ability to puff up like a ball when threatened. This 28.28 gm silver coin features a full colour image of a Guineafowl Pufferfish with reef coral engraving. This beautiful coin is presented in a custom mold box reminiscent of an aquarium that features a liquid filled lid with air bubble.