Backed by rich historical symbolism and cultural importance, the Goldfish also impresses with its lifespan. Surprisingly, the median life expectancy of a well-cared-for domestic fish of this species is about 10-15 years, which could even extend beyond the 20-year mark! In fact, certain species of Goldfish have been known to live for an astonishing 40 years without significant health issues.
However, longevity significantly depends on the quality of care and living conditions. A balanced diet, adequate living space, considerate pairing with tank mates, and regular water changes are vital to ensure your fish enjoys a long and healthy lifespan.