Fish longevity

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Hello Fish...

I'd have to say Corydoras (catfish) as far as tropical fish. I have one that's 7 years old. But, the longest lived fish is likely the standard Goldfish. They can easily live 10 to 15 years and even 20.

B
 
Regarding aquarium fish, my guess would be varieties of Synodontis Catfish. I had one that was 13 y.o. and was doing quite well until Velvet disease took him.
Sturgeon gets my vote for the overall long life grand champion, living over 100 yrs.
 
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