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berenburg
Thanks! I had a few bamboo tubes, with an inner diameter of a little over 2 cm and about 20 centimeters long. After a while I saw only the male in the tube. This a sign that the female has laid her eggs in it.
The man usually stays in for about 2 to 3 weeks, until the eggs hatch, in this time, to make sure that the water flows over the eggs. On the other hand, the males tend to get hungry, starving themselves for such a long time, and with all those eggs right under their very nose, the temptation often becomes too large.
To prevent this, I took out the tube, gently shook out the male, and placed the tube in a small hatching tank. I put the powerhead of a pump right on the tube, to make sure a steady flow kept the eggs clean. (thus, taking over the function of the male).
After 2 weeks, I saw the first one hatch. That is 3 days ago. Still, more are emerging from the tube. I counted about 70 eggs, so a considerable amount of more fry might still emerge.
However, their early days tend to be very fragile, and they hardly actively look for food. Many die in the first week, of starvation. However, their yolk sacks are gone and they seem to be roaming around the tank. I counted 9 so far.
The corydoras pic is really cute. :)
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