yes you can if you clean the tank properly every week
Filter a fish? Do you mean filtering a fish's tank? Well you have to filter any fish's tank.
no filter because for smaller fish it can hurt or even kill them and for the old filter use bigger fish
a fish filter cleans the water and a pump pushes it through a fish filter cleans the water and a pump pushes it through
yes,it is hard to clean out a pet fish's filter
The filter removes the fish waste and some of the other impurities.
Jawless fish are filter-feeders.
Jawless fish are filter-feeders.
It is best that all fish have a filter besides Betta fish. Betta fish don't need filters cause the filter pushes them over with their big fins. Goldfish should have a filter on there tank because they are often overfed. If you have a filter you won't have to change the water as often. The only fish that shouldn't have a filer in captivity are Betta fish.
Tuna fish are not filter feeders. Tuna usually eat surface fish, or even lancetfish. They may also eat other tuna.
When its dirty you need to change the filter.
the biggest filter feeder is the blue whale.
ALL fish need filtration.