Anemones don't really "age". As such, it's environmental causes (predation, accidents, disease, starvation, etc.) that cause them to die. Generally speaking these things happen more frequently in our tanks than in the wild so as a result, captive specimens seem to have truncated lifespans comparatively.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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