Why That 9 Pound Fish Could Crash Your Pond Ecosystem
That nine-pound koi gliding majestically through your backyard pond might be your pride and joy, but it could also be quietly suffocating your entire aquatic ecosystem. Large fish create challenges that catch most pond owners completely off guard—excessive waste that overwhelms biological filtration, oxygen depletion that stresses smaller fish, and bio-load calculations that suddenly don’t add up the way they did when your fish were fingerlings.
If you’re wondering whether your pond can handle that impressive specimen, you’re asking exactly the right question at exactly the right time. The difference between a …










