This question can lead to numerous answers, with the key element boiling down to the conditions in which your Goldfish live. Yes, Goldfish could die easily if kept in an unsuitable environment, deprived of appropriate nutrition or subjected to sudden temperature changes. Unsuitable tank conditions and poor water quality—particularly high nitrate levels—can cause these fish stress, leading to an increased susceptibility to disease and, potentially, causing their death.
However, properly cared for, the goldfish is a robust aquatic pet. These captivating fish have an incredibly high tolerance to changing water conditions. With regular tank maintenance, a balanced diet, and an eye for early signs of illness, fish caregivers can ensure their aquatic mates lead long and happy lives.