How big can 10 piranhas get in a 75 gallon tank?

Answer Fish growth rate is determined by the fish species type and amount of food fed, not the tank size. The largest of the piranha species grow to about 12 inches long. For these larger piranhas, a mini... Read More »

Top Q&A For: How big can 10 piranhas get in a 75 gallon tank

How big is a 50-gallon tank?

Since gallon is already a measure of volume, technically, the answer is "50 gallons." However, a typical 50-gallon tank will have dimensions in the range of 38 inches by 19 inches by 20 inches.Sour... Read More »

How many fish should be in a 55 gallon tank?

On One Hand: Calculate Fish per InchIn most freshwater aquariums, each fish needs about a gallon of water to itself per inch of its body length. This is typically true only for community fish, howe... Read More »

How much liverock do I need for a 30 gallon tank?

The general rule is at least 1 pound of live rock per gallon but not more than 1.75 pounds per gallon. For a 30-gallon tank, you should have at least 30 pounds and not more than 52.5 pounds of live... Read More »

Are 2 plecostomus too much for a 30 gallon tank?

On One Hand: Two Large Fish Could Be Too MuchAn aquarium is a closed environment, and if there are too many fish sharing too small a space, the amount of waste and uneaten food can cause water qual... Read More »