well
I'm not sure
the shortest lived killis are Nothobranchus (annuals) from East Africa
(17 months absolute maximum... in the wild only as long as it rains, maybe 4 months)
the Cynolebias group from South America, are also annuals,
but some are known to live many years in a tank
most Aphyosemion and Fundulopanchax types (the most popular group) live maybe 4 years
the schooling killis, Lampeyes, etc. seem to live more than 5 years
In general
most fish that grow large have a long lifespan
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