Originally Posted by tadpole
As to fish, if we are talking about goldfish (sarassa, comets shubunkins, etc.), ideal stocking levels would be one per 50 gallon of water, for Koi, one per 200-300 gallons of water. The ultimate size of the fish must be considered when stocking, not to mention that they will spawn and add to the initial pond population.
1 koi per 200-300 gallons? Most of my ponds do well with 4-6 koi in our average 600 gal ponds. Considering the customer stays with that number. We just did a cleanout that had 14 12" koi in a 500 gal pond