Keeping these fish in water temperatures under 24☌ might cause stress, and ultimately kill them.Īngelfish, gouramis, and bettas, for instance, have to be in water temperatures close to 80☏. Most aquarium fish originate from tropical regions and prefer to swim in temperatures around 24° to 27☌ (75° and 80☏). Even though it is technically an incorrect term, it is what most hobbyists call the temperate fish that lives at temperatures ranging from 18° to 24☌ (65° to 75☏). Goldfish are, for the most part, classified by experts as cold-water fish. Just make sure that the fish is quick, fast and can conveniently outswim any hungry goldfish.Īlso, your gallon should be large, like a 40-gallon tank, to give the smaller fish plenty of room to escape the marauding goldfish inside the tank. Swimming SpeedĪlthough risky, it is still possible to have smaller fish in a goldfish’s aquarium. So, look for tank mates that are around 3 to 4 inches in length. They will literally vacuum up and consume anything edible that can fit into their mouths.Īnd, that also includes your pet’s smaller aquarium mates, even if they have been together for a while. Goldfish are essentially voracious eating machines with an insatiable appetite.
When they explore the tank and see other smaller fish, they will think it is a snack. So, take a look at these significant factors that you need to put into consideration in your search for the best aquarium mates for your goldfish. It can be a little challenging to find the best aquarium mates for your beloved goldfish. What Makes a Suitable Tank Mate for Goldfish?
Truthfully, even a newbie in fishkeeping will not have a lot of problems in taking care of them.įinding a perfect and suitable aquarium mate, however, is a different story. While keeping one may be somewhat tricky, a little research and effort can help you maintain a healthy and happy goldfish. Taking care of a new goldfish is pretty easy.