Do Orandas get along better with Moors than they do with Fantails? My
Oranda is not getting along with my Fantails.

I'm not an expert on goldfish behavior, but I think for the most part,
goldfish of different types will get along if they are put into a tank
when they are all small and they grow up together.

I think that trouble starts when you add a new fish to an established
tank population.