My black sailfin molly passed away during the night and I have no idea why. All the other fish in the tank look fine and as of two days ago when I did my last water check all stats were normal. As I write this I am preparing to test the water again. Usually I do a
water change on Sunday, but I will most likely be doing a water change today instead no matter the results of the water tests.
I only had him for two weeks, so perhaps he was just not as strong as the two other mollys I bought him with?