06-29-2012, 11:57 AM
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Yes, it is generally best to not overfeed. In most cases, a hungry fish is a healthy fish. The fish's physiology can "overwork" just as ours can the more we eat. Mature healthy fish only need one feeding a day, and missing a day or two every week is fine. Water change day is a good one to skip feeding, since fish should never be fed before any tank disturbance.
A very few fish may need food more often, but these are basically the small "dwarf" species and they can usually find additional live foods especially in a well-planted tank (another benefit of plants
) once it is established. And fry need more frequent feedings to ensure they receive sufficient nutrition to develop properly.