Those swordtails are great! I used to have x.montezumae but still have the x.pygmaeus. Yes, it's indeed a known problem. Time and space! From time to time even I am thinking how it would be to have more than the current number of tanks. One thing is for sure: More effort will be involved!
Devoted aquarist ever since early 1970's...
Specialized in livebearers &
specific breeder of rare livebearers...