how old is your oldest fish?

I have a tiger-striped serpent star thats been in my family for almost 6 years. Not sure how old it was before my Dad got it.
 
I have a Yellow Tang that I have had for at least 16 or 17 yrs. And a Purple Tang that I have had for 6yrs. And you would never guess where I purchased them from PetMart.Of course this was back when they took better care of their systems.:p
 
I did a online survey on marine fish longevity a few years back and the average, even for advanced aquarists, was only 6-7 years! This lead to me to believe that there might indeed be something to Simek’s claim that saltwater mixes might have unnaturally high levels of eventually toxic elements…

http://www.advancedaquarist.com/2005/12/aafeature1
 
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