The ethics of fishkeeping

Fish are sentient animals. Ethical fishkeeping means giving them enough space, clean water, and a stable environment — and thinking about where they come from. Tank size, research before buying, cycling first, and sourcing responsibly all matter.

Our full ethics of fishkeeping guide walks through tank size, research, cycling, sourcing, quarantine, and long-term planning. See also wild caught vs captive bred and first tank for practical steps.