Hopefully this will result in fry in a couple of weeks. We shall see. The tank has many shrimp and some other potential egg or fry eaters, but I have had three other hillstream species successfully spawn in this tank over the years.
Unfortunately, I can not get a pic of what is going on, but this pic of the similar species Liniparhomaloptera disparis spawning gives a good idea how they do it. Its interesting to note that the C. lacustre are spawning within two inches from the spot that the L. disparis spawned in this pic. They are one the other side of the rock like ornament. Must be a good spot.
The male C. lacustre is similar in size to the female unlike the size difference seen here in the L. disparis pair.
http://www.loaches.com/species-index/ph ... 5.JPG/view
There were eggs in the nest, but they left it uncovered. I'm not sure if that is normal for them, but I bet it is not. I covered the eggs with gravel so the shrimp would not eat them. If the eggs are viable and the fry survive, I would expect them to come out of the gravel much like L. disparis in about two weeks. I'll keep looking.
I have tried to move P. cheni eggs before and they didn't hatch so I thought just mounding the gravel over the nest would be the best option. I thought they would cover the nest themselves but they didn't.
One thing I noticed that makes me wonder if they leaving the nest uncovered is normal. While they started digging the nest next to a piece of driftwood, just as L. disparis would do, they ended up underneath it. So, most of the eggs may actually have been covered underneath the driftwood. If I get to see them spawn again, I will see if they do the same thing.
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