Like all fish, goldfish do not like to be petted. In fact, touching a goldfish can endanger its health, because it can cause the protective slime coat to be damaged or removed, exposing the fish's skin to infection from bacteria or water-borne parasites.
Discover which fish can be compatible tank mates for goldfish: Rosy Barbs: Hardy and fast swimmers, they can coexist with goldfish in larger tanks. White Cloud Mountain Minnows: Peaceful and prefer cooler water temperatures suitable for goldfish.
What fish can go with goldfish. With the right advice and an understanding of all the complexities of sharing a tank, any aquarist can create an amazing multi-species environment for their aquatic friends to enjoy. Table of Contents.

Aggressive Fish (e.g., Cichlids): These fish may attack or harass goldfish. Fish that Grow Too Large (e.g., Common Carp): These fish can outcompete goldfish for resources and create an imbalance in the pond.
Goldfish Keep Growing. Goldfish swim close to the sandy bottom with rocks in a freshwater aquarium. Aquarium shops often stock small, immature goldfish. Its normal to find a tankful of tiny 3-inch goldfish fish on display.

What fish do black moor goldfish get along with?Every day, Black Moor goldfish require two to three small meals. To avoid overfeeding, treat the goldfish only what they will eat in two or three minutes. Read more: How Long Can Goldfish Go Without Food.