Are you looking to build a pond in your garden and want to fill it with koi or do you have a small fish tank in your living room that you're looking to stock? Either way, it's important that you know the differences in your options.
You probably already know that koi carp are not the right fish to slip into that small indoor tank, but what are the other distinct differences between the two types of fish?
Their Size & Cost
There are plenty of arguments as to whether keeping goldfish is an easier care job, but the truth is it will be wholly dependent on the habitat you will be keeping your fish in. If your plan is to create that water garden pond in your yard then bear in mind that koi