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Provided they are housed properly and looked after properly, some of the cold water species like goldfish or koi can live for more than 20 years. The same applies to some of the Amazonian cichlids like the Oscar that will also live for over 20 years given the correct conditions and good food. In the wild though there are Cod and Grouper fish that are known to have reached over 200 years old before being killed by unthinking spear fishers.

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15y ago

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