Need more information on your cleaning methods.
it means they are dirty so they lick their paws and rub everywhere.
No, a gold fish is clean
Dirty
No fish is really "dirty." I have heard of goldfish clouding up water faster, but I haven't raised goldfish in years. All I have are tropical fish.
You can use clean tap water for your goldfish, but not dirty or used water.
My sofa is so dirty! Is furniture steam cleaning a good idea?
mucking out a stall is cleaning the stall, when you clean the stall your horse is less likely to get diseases. mucking out the stall means to get dirty but if you don't care about getting dirty than this is the job for you.
The suggested water space for goldfish is 20 gallons. You may have to separate them if they fight. The more goldfish you have in one bowl or tank, the quicker it will become dirty and it may require a change of water. Larger tanks should have a cleaning system, and possibly some snails or other way to keep algae off the glass.
your goldfish might die and maybe eat to much or the water starting to get dirty
Clean water of course! Dirty water is full of pollution, and makes it harder for the fish to breath. Also, dirty water that contains high amounts of ammonia, nitrite, and/or nitrate can actually cause long term gill damage in goldfish.
The opposite of clean (adjective, tidy) would be unclean, dirty, soiled, or stained. The opposite of "to clean" would be to dirty or to stain.
Zero, goldfish need very clean cool water and are very dirty fish.