I read as much before I purchased it, and also read of quite a few folks happily having them together, so we will see. Fish aggression is always a strange thing. Sorta like people of (dis)similar raceyou'll want to keep an eye on the melanurus for sure since they're from the same genus, but they do look quite different from each other, so they'll be more likely to get along

I’m a little gutted as I prefer their female colour.

