Pearl scale with its protuberant scale just like a pearl and celebrated. Common pearl has imperial crown pearl, bobtail pearl, long end pearl, these belong to Wen Chongzhen bead scale. And the egg that does not bring dorsal fin is planted pearl had seen rarely. The figure of round billow of pearl scale circle, add without dorsal fin and the tail fin that degrade nearly, move about is constant constant dodder along, be just as a rubber ball to roll, most peculiar and lovely. The breed that once had appeared has an egg to plant violet pearl, egg is planted 5 Hua Zhenzhu, eggs are planted Bai Zhenzhu, egg is planted red Bai Zhenzhu, egg is planted Gong Zhenzhu