Hi, hoping for some advice. Our female koi spawned last year (all 4) in early June. This year they have not spawned yet. We had some really hot weather for a bit but now its cooling off in the evenings and getting a lot of variable temperatures. Should we be concerned? The poor girls are very, very wide. Is there danger to the females if they don't spawn? I had heard that sometimes a full moon influences things and we thought for sure they would last week, but they did not. Our koi are all 4-5 year olds. Any advice would be appreciated. Thanks