How Much Food To Feed Fish In Aquarium. Dont Feed Your Fish. Five fish in a large aquarium need the same amount of food as five fish in a smaller aquariumjust spread it out across the aquarium so everyone can get to it easily.
Feeding the fish once a day while you are gone even if you normally feed the fish twice daily will usually be sufficient. Dont Feed Your Fish. It can mean only 35 pellets or a few small pieces of flakes for one fish.
Another consideration is what part of the water column your fish feed in.
As for the pellet size it is best to be as big as the fish can swallow the whole piece. Feeding your fish a little bit of food several times per day is closer to the way they eat in the wild than feeding them a bunch of food every 2 or 3 days. Most fish do well on one feeding per day which means most fish require 16 to 24 hours to fully digest the food. However some owners prefer to feed their fish twice a day.
