Trigger Your Corys NOW!
It's October 30 and we have the first low pressure system in the Mid-Atlantic in MONTHS. Barometric pressure will be below 1000 millibars this afternoon. If you have adult Corydoradinae groups you've been trying to get going, try a large water change with cool water (take the tank down 5-10 degrees F). If you can get your hands on RO or distilled water, all the better. Do the water change any time between now and Halloween evening. Refresh your microworm cultures to get ready for fry... If you get fry they'll be big enough to sell by the spring auction. Let's go!
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Failed! Having a hard time getting the larvae to survive past day 2 or 3. I have a few left right now and did a complete clean out of the tank to rest it in the case there was something in the water. The conditions that changed right before the larvae died was a drop in salinity from me adding water to adjust the salinity back to 30% where it was close to 31% so about half a gallon of water and bubbler was set a little strong that night where there was a little more moisture from the bubbles outside the tank. Another thing that may have caused the crash might have been the sponge filter that is a course foam and the larvae can get caught there, but that is quite fast for the filter to do that to so many in such a short period of time.
The reset water now is set to 29% salinity with less phytoplankton to cloud up the water, bubbler set to halfway to show some flow of water around the whole 5 gallon tank, and no filter. If these remaining larvae do not survive the Amano females are already berried and the 1st of them should release her eggs in about 15 days.