A fish feeder is a device designed to automatically dispense food for fish in aquariums or ponds. It helps ensure that fish receive regular meals, even when their owner is not available to feed them. Fish feeders can be programmed to release food at specific times and in controlled amounts, promoting healthy feeding habits. These devices come in various types, including battery-operated and plug-in models. Some advanced fish feeders can be connected to smartphones for remote control. Using a fish feeder can reduce the risk of overfeeding, which can lead to water quality issues in the aquarium or pond.