It depends on whether you are talking about weight or length. At that young age the weight difference you see is probably due mostly to their feeding regimen as you stated. The larger weight discrepancies usually don't show up until they are several years older than that. Typically, full adult older females weigh considerably more than adult males of the "curtus" group. However, adult females are usually only about a few percent longer than males on average. I have had both male and female specimens of P. brongersmai that were just a few inches short of seven feet. In fact, I have never had a male brongersmai over 10 years of age that wasn't at least six feet.

Kelly

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