There are 3 standard rules you deserve to follow for finding out just how many koi deserve to fit in your pond. The distinction really comes dvery own to what kind of math you desire to carry out and also the information you recognize around your pond. It’s finest to have a couple of much less fish so the ones you carry out have continue to be happy and also healthy and balanced.

You are watching: How many koi in a 1000 gallon pond

Let’s discover out how many fish can fit into a pond per gallon.


“Now that we have a pond you know what that means!”

Sabrina looks at Harvey, eyes bideal with excitement. Harvey has no principle what she’s talking around and tells her as a lot.


Sabrina rolls her eyes, saying “Koi, Harvey, it means we can gain some koi fish to swim roughly in our pond!” Harvey wants to know exactly how many type of, exactly, Sabrina desires to put in the pond. “However before many koi fit in our pond,” is her response.

Harvey shakes his head and also pulls out his phone to uncover out just how many kind of koi fit in a pond per gallon.

You’ll desire to have someone preserve your pond to save it beautiful and healthy >>

Rule #1- 6 inches of fish for every hundred gallons of waterRule #2- 1 inch of fish per ten gallons of water (for well filtered and also aerated ponds)Rule #3- 1 inch of fish for eincredibly square foot of surchallenge location (for a 2 foot deep pond)

You’ll desire to know what kind of koi you want, whether it’s average residential, Japanese, or jumbo. Each grows to a various dimension.


Typical domestic koi have the right to prosper as much as 15 inches long so it’s ideal to measure making use of that typical. This method your fish will end up even more comfortable than cramped. So for measurement sake, the number you must have per gallon goes like this:

100-gallons: 1 smaller fish150-gallons: 1-2 smaller fish250-gallons: 1-2 koi300-gallons: 1-2 koi500-gallons: 2-4 koi750-gallons: 3-5 koi1500-gallons: 6-10 koi

Harvey goes over the math in his head genuine quick (he was a math major in college) and it checks out. “So just how many kind of have the right to we gain for our pond, Harvey?” asks Sabrina.

Harvey does some more math in his head and smiles, saying “3 would be a good starting suggest. After a while, we deserve to include in one or 2 even more if it seems like it’ll work-related out.”

Sabrina and also Harvey watch the flashing scales of their fish as they lazily swim around their new home. All 3 of them seem happy and also healthy and the couple plans on helping them continue to be that way.

See more: 2001 Toyota Corolla Fuel Pump Relay Location Please? Where Is The Fuel Pump Fuse

Harvey frowns as a thought crosses his mind, “What execute we do through our koi fish and pond during winter?”.