Can black moor be put with a fantail?

Yes, black moors can be kept with fantail goldfish, as they have similar care requirements and water parameters. Both species thrive in cooler water and benefit from a well-filtered tank. However, it's important to monitor their interactions, as black moors have a slower swimming speed and may struggle to compete for food. Providing ample space and hiding spots can help reduce stress and aggression between the two types.