how long can a fish live?
Other fish that live longer include loaches, such as the Clown Loach and Weather Loach, which often life 10 to 15 years. Silver Dollars and Pacus also live 10 years or more, and the ever popular Convict cichlid can live 20 years.â. Here is a reference with the expected lifespan of popular aquarium fish.
Usually, smaller fish have shorter lives. For example, bettas live for an average of two years, and killifish may only live for a year. On the other hand, larger fish lead longer lives. Loaches can live 10 years or longer. Goldfish vary in size depending on their habitat, but they can live for decades.
Answer Wiki. In freshwater systems of North America, many sunfish species can live more than 15 years, with bass species living well over 20 years. The big predators of the cool Northern waters, pike and especially muskellunge (muskies) slowly grow to reach lengths around 5-feet and live well over 100 years.
Community Q&A. Believe it or not, a goldfish could live for 10-25 years or longer if it's given proper care. However, with normal care it usually lives for about 6 years. The Guinness Book of World Records cites a goldfish named Tish that lived 43 years after being won at a fair in England in 1956!
But even smaller synos are hitting the 20 years of age mark and beyond. I found a S.nigrita at 19, a S. flavitaeniatus at 20 and the small, true upside down catfish, S. nigriventris, at 21 years of age. Other small catfish species continued to surprise me, with Corydoras really opening my eyes.