This cute December Diamonds Cottontail Merman Christmas Ornament is ready to put on your tree and can be a great gift for your family members or friends to display all year long. The cute merman has a pink tail. This is one of the most adorable Christmas ornaments that you can have on your tree this season. December Diamonds Cottontail Merman Christmas Ornament is unique because it has a unique bunny design that is different than any other ornament. He looks so cute in his bunny suite and ears and its all about that pink tail.