Feeders

Feeder fish are small fish bred to serve as live food for larger, carnivorous aquarium inhabitants like predatory fish, amphibians, or reptiles. They provide essential nutrients and stimulate natural hunting behaviours. Common examples include guppies, goldfish, minnows, and rosy red minnows.

The lifespan of feeder fish varies by species and care conditions. For instance, guppies may live 2-3 years, goldfish up to 5 years, and minnows around 1-2 years. However, in feeder tanks, they often live shorter lives as their purpose is to act as food for larger carnivorous fish.

To ensure feeder fish are healthy and nutritious:

• Quarantine: Isolate them in a separate tank for at least 2–3 weeks to monitor for diseases.
• Gut-load: Feed them high-quality, nutritious food to enhance their nutritional value.
• Maintain water quality: Regularly change 50% of the water to reduce toxins.

Introduce feeder fish during active feeding times to encourage natural hunting behaviours. Ensure the size of the feeder fish is appropriate for the predator to prevent choking hazards. Avoid overfeeding to prevent water quality issues.

Feeder fish, like goldfish and minnows, do help keep the tank clean to some extent by scavenging leftover food, algae, and detritus from the substrate. However, they are not as effective as dedicated cleaner fish such as Corydoras or Siamese algae eaters. While they may nibble on algae, they won’t significantly reduce the build-up of debris or waste. Relying solely on feeder fish for tank cleaning can lead to water quality issues, so it's essential to maintain proper filtration and water changes for optimal tank health.