It's very dangerous': Why you shouldn't release your koi fish into
Fish are dying in this East Bay park. But why?
Is it safe to eat koi fish? - Quora
Why you should never release a Koi or goldfish into nature
Introducing New Koi to Your Pond - Hydrosphere - The Koi Pond Experts
Can koi fish live with Arowana? - Quora
Caught this goldfish with my net and decided to keep it. I just
CBC Lite Hundreds of goldfish pulled from P.E.I. river
Styrofoam, plastic and rope, water bottles': Hikers asked to help clean up
Pets You Should NEVER Release In The Wild!