5. Goldfish – The Classic Charmer:
Goldfish are one of the most recognized fish species and come in a variety of shapes and sizes. Contrary to popular belief, they require more space than a small bowl to thrive, with a recommended 20 gallons for the first goldfish and an additional 10 gallons for each subsequent fish. They are cold-water fish and do not need a heated tank, but they do produce a significant amount of waste, so proper filtration is crucial. With their wide variety of breeds, from the fancy Oranda to the common Comet, there’s a goldfish to suit every aquarist’s taste.
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