How Many Fish Can Live in a 10-Gallon Tank?
A 10-gallon tank can hold 5–8 small fish, 1 betta, or 1–2 dwarf cichlids, but the species and filtration matter more than the number.
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Why the 1 Inch Per Gallon Rule Is Dangerously Wrong
The 1-inch-per-gallon rule was never based on science. It ignores bioload, fish body shape, and species-specific space needs. Here's what actually matters.
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