Your fishtank gets dirty quicker.
Then your filter is not on.
Filter a fish? Do you mean filtering a fish's tank? Well you have to filter any fish's tank.
fish die of oldnesss or not well tanked care before you get a fish make sure you know fats about it and mostly get a tank with a filter. i had with that died now that i have a tank with a filternothing happens
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.
what happens when light enters a polorizing filter?
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.