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**What tank does a goldfish need** What Tank Does A Goldfish Need? Goldfish require a minimum of 20 gallons, and an** aquarium** of that size is suitable for only two fish. The reason for a goldfish’s need for a large set up is because goldfish grow to be anywhere between 6 inches and 2.

## How Many Goldfish Can Fit In Per Gallon Tank?

On average, two goldfish should fit in a 10-gallon tank. But, if they are larger breeds, then somewhere between 20 to 40 gallons will be best. There are many ways to go about calculating the gallons with respect to the number of goldfish you have.

## What Fish Can Live In A 20 Gallon Tank?

The largest **fish** that **can** be housed **in a 20**–**gallon** **tank** are gouramis, as they have the ability to **live** alone and do not require much space or water volume for their survival. Gourami come in many varieties including dwarf (which will thrive with 10 gallons), honey (who needs at least 15) – there’s an option for everyone!

## How Big Is A 50 Gallon Fish Tank?

US gallons Litres Inches LxDxH Centimeters LxDxH 2.5 (mini-tank) 9.5 13 x 6 x 8 33.0 x 15.2 x 20.3 5.5 20.8 17 x 9 x 11 43.2 x 22.9 x 27.9 10 (leader) 37.9 20 x 11 x 13 50.8 x 27.9 x 33.0 10 (long) 37.9 24 x 9 x 13 61.0 x 22.9 x 33.0 15 56.8