Barramundi become sexually mature as males at about three to four years old. Males turn into females from about five or six years of age onwards, but require saltwater for this sex change.
So all the big fish are female, and all the females have younger lovers..
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my favorite fish story:
http://www.fish.wa.gov.au/Documents/recreational_fishing/fact_sheets/fact_sheet_barramundi.pdf
Barramundi become sexually mature as males at about three to four years old. Males turn into females from about five or six years of age onwards, but require saltwater for this sex change.
So all the big fish are female, and all the females have younger lovers..