Panda Ranchu

Panda Ranchu Update April 2014


Right now I am working on the improvement of the body, head and tail shape of my panda ranchu by crossing it with svr once again. There will be at least nine more months before we can see the result. Meanwhile, I have selected the best in the last batch, and this is the update. The picture above shows the best panda ranchu I have so far.

Few retains the panda coloration, few becomes blue ranchu, and many turn into white or white stainted with red pattern. The pictures below show the three types occurred in the batch.


It is still a question whether there is a difference between black pigment behaviour in the blue and in the panda. I am not ignorant that some people conclude them to be the same. I was of the same opinion. I was thinking that when there is no white color appearing, then the color is blue. When the white appears, then the color of black pigment become darker to give the impression of black and white. But lately, I encountered some fishes that when the white appears, the black pigment does not get darker but stays blue, to make the fish into a blue white fish instead of black white fish. This makes me open once more to the possibility that there is a difference between the melanin composition and or its behaviour in the blue and in panda.

This is the blue and white ranchu from the same parents. It is true that in the picture I use the white background to highlight the blue coloration. But the keeping environment is the same.



3 thoughts on “Panda Ranchu Update April 2014

  1. Richard says:

    Nice work. This spring I’ve decided to hand spawn my all white male with my all black female ranchu. I guess you’ve tried this and it doesn’t result in panda colouration? What do you think will be the result? Cheers Richard

    • Hi Richard, thanks for asking. What we need to know is that the white fish we usually have comes from the same genetics as the red white fish or red/orange fish. So when we mate the white fish and black fish, the result will be the same as when we mate a red fish with a black fish. The result is varied, from red/orange fish, red white fish, white fish, grey fish, black gold fish, black fish with varied degree of blackness. The percentage of each can be widely varied. I have experienced an occassion when the result was 100 percent red white. Another time, the result (from different pair of parent) was varying degree of blackness with no red white. But never come up a panda color. That is why I conclude that panda fish and red/red-white fish are different. The red/redwhite genetics does not seem to be able to let white color coexist with black color. So, at most, the offspring is red black, or termed as black gold. Panda fish, on the other hand, has the ability to let white color coexist with black. So, panda fish is more similar to koi, where the white, red and black color can exist together. Above, I mention about the white fish coming from the red or redwhite genetics. In fact, it ia possible that the white comes from a wash out panda fish. But if we already have that, there is no point to do this experiment, right? It is what we want to achieve. Hope this explanation help 🙂

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