Well yes, humpback whales reach sexual maturity by around 10 years of age (some much before then it seems). A marine biologist is still practically in it’s larval form at that point.
(Yes, yes, I know that wasn’t what you meant, but I couldn’t help myself)
‘This post is a palaeontological disaster’ is a marvelous turn of phrase, and I intend to steal it for use at the first opportunity.