The features present in an automatic fish feeder may vary from other types of automatic fish feeders. But some of the common features in every automatic fish feeder are permanent display of time, permanent display of the feed setting, number of feeding option, random feed time option and battery life display.

An automatic fish feeder can be attached to aquarium in many ways. It can be mounted on the aquarium, or on a compression tray, or on the glass edge of the aquarium with the help of brackets. This basically depends upon the make and type of the automatic fish feeder.

Though there are many benefits of using an automatic fish feeder, some of the main benefits are regular feeding quantity, regular feeding time, desired number of feeds, and desired type of feeds. Hence, every fish gets its share of food at specific time without any problem and live happily.