10 Best Freshwater Fish for Beginners (With Tank Requirements)
The best beginner fish are hardy, peaceful, and forgiving of minor water chemistry variations. Here are 10 species that work well in 10–29 gallon starter tanks.
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Why Goldfish Need More Space Than You Think: Tank Size Guide
A goldfish in a bowl is a goldfish that will die young. Single-tail goldfish need 20–30 gallons each plus heavy filtration. Here is what goldfish actually need.
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Oscar Fish Tank Size: What You Need Before You Buy
Oscar fish grow to 12–14 inches and need a minimum 55-gallon tank as adults. Here is everything you need to know before buying an oscar for your aquarium.
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