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If you have had the fish for over 1 year to 18 months there is a good chance the fish is getting very old and reaching the end of its natural life span. Use your powers of observation and memory to see if the fish is behaving normally or abnormally. If it is not behaving normally then use a mirror to see if the fish will show off to its' own reflection. If the fish fails to display (show off), there is a good chance the fish has lost interest in life and will die fairly soon. A good large water change can work wonders and revitalise a fish too.

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16y ago

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