11.Chocolate Oranda with curled Opercula

Curled opercula are a morbid state for goldfish. The operculum edge grows curled outside with part branchial filaments exposed outside, which looks like a wound. However, this has no impact on its breathing, for the variation is controlled by genetic factor. Due to long-term adaptation, this variety seems to have better resistance to disease than those with normal opercula. It incorporates both variations of Oranda and Curled Opercula, and those with higher sac and similar turning angle for the left and right opercula are regarded as high quality.

9.Calico Oranda

Calico Oranda could be various colors. Those in more than four colors including red, white, blue and black are of top grade. Calico Oranda can be cultivated to have three kinds of scales (normal ones, transparent ones and retiform transparent ones) through crossbreeding of Calico Fantail and Red Oranda. At first the sacs were not obvious and few could meet the requirements on patches. The variety was finalized after several generations' selective development, but the red patches were small and not brilliant enough. Afterwards backcrossing not only enbigd the read patches but also made them only appear at the top of the head and therefore formed a type of Calico Oranda with a bright red top, which once caused a sensation. All those with red square patches are fairly precious.

6.Brown Oranda with Red Head

The whole body including the tail fin is deep purple while sacs on the head are bright red and flush. The red and purple are well embedded. What is rare is that eyes, narial membranes and mouth are all black. The face is quite similar to an innocent and lovely baby face, hence the name "Baby Fish". It is very rare and extremely precious. So far it has still been regarded as the most precious variety in the world since found decades ago.

5.Brown Oranda

It was developed by selective cultivation from Chocolate Fantail in 1950's but with a fly in the ointment that the body color is not strong enough and the sac is underdeveloped. However, in recent years its quality has been so enhanced through selective development that it has gradually won more fans. Those with broader and higher sacs in strong purple are of top grade.

3.Blue Oranda

It is bluish dark and has a slightly bulged sac on the head, displaying a charming swimming carriage with its thin, long and big tailfin that is its unique feature.