How many goldfish can you have in a 20 gallon tank?

How many goldfish can you have in a 20 gallon tank?

Ideally, fancy goldfish will live Ok in a 3-Feet long tank with an overall volume of 20-gallons or more for one goldfish. Whereas, common goldfish require at least a 4-Feet long tank that is at least 30-gallons for one fish.

Can a goldfish be in a 20 gallon tank?

Appropriate aquarium size can be a point of contention among goldfish owners, but in general, we recommend 20 gallons of water volume per goldfish, with at least 10 gallons added for every other goldfish. Bigger is always better when it comes to goldfish tanks, so give them as much room as possible.

Is it bad to have goldfish in a 20 gallon tank?

Sucker fish with goldfish are a bad idea too. Some have a habit of eating the goldfish slime coat, leading to infections and wounds. As a general rule, the only good fish to keep with goldfish are other goldfish. One Goldfish is the most that should be in a 20 gallon tank. Thank you for asking insteade of overcrowding your tank.

How big do fancy goldfish get in a tank?

Fancy goldfish tend to grow to bigger sizes. They’re longer in length and larger in width as well. In fact, if you get a fancy goldfish, you should assume that it will grow double the size of a single-tailed goldfish. Additionally, if you have goldfish with hoods, they need larger tanks.

How big is a 10 gallon fish tank?

Measurements may vary slightly across brands without altering their basic specs. For instance, all standard 10-gallon tanks have approximately the same dimensions (20 x 10 x 12 inches) and weigh about 111 pounds when filled with gravel and water.

What kind of fish to put in a goldfish tank?

You’ll want to avoid choosing tank mates that are aggressive or semi-aggressive, like African cichlids or Tiger Barbs and stick with friendly species instead. You’ll also want to avoid putting territorial fish in a tank with goldfish, even bottom-dwelling fish that usually avoid the open areas goldfish prefer.