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Is Java fern good for goldfish? Yes — because it attaches to hardscape rather than rooting in the substrate, and its thick, leathery leaves don’t taste good enough for a goldfish to…
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What fish can live with goldfish in a tank? I get asked this more than almost anything else,…
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Do Goldfish Need a Filter? I learned the answer the hard way with my first carnival fish, “Bubbles.”…
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Quick answer: A single goldfish needs a minimum 20-gallon fish tank for goldfish, and that’s really just the…
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A goldfish staying in corner of tank isn’t sulking. It’s telling you something specific about its water, its…
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Bettas flare at their reflection because they genuinely mistake the mirror image for a rival male invading their…
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In my zoology coursework, the fish that got the most attention in class were rarely the ones that…
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The Corydoras seemed hardy to me, yet my first three died in less than two months. You likely…
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If you are setting up your very first aquarium, choosing the best freshwater fish tank fish can feel…
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Can fish form bonds with humans? Yes — fish can form real bonds with humans, but not romantic…