Feeder Fish
Live food fish (rosy reds, goldfish)What does Feeder Fish mean?
Feeder fish are small live fish (typically rosy red minnows or goldfish) sold as food for predators (oscars, arowanas, lionfish). Strongly discouraged due to disease risk + nutritional deficiency.
How is Feeder Fish used in aquariums?
Problem: feeder fish are kept in poor conditions + carry parasites + contain thiaminase that destroys vitamin B1 in predators. Better alternatives: frozen krill, raw shrimp, earthworms, premium pellets. Most predators thrive without feeders.
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Frequently asked questions
What does Feeder Fish mean in fishkeeping?
Feeder fish are small live fish (typically rosy red minnows or goldfish) sold as food for predators (oscars, arowanas, lionfish). Strongly discouraged due to disease risk + nutritional deficiency. Problem: feeder fish are kept in poor conditions + carry parasites + contain thiaminase that destroys vitamin B1 in predators. Better alternatives: frozen krill, raw shrimp, earthworms, premium pellets.