Biggest fish in the sea are females, major 10-year study finds

Male whale sharks grow at a faster rate but are eventually overtaken by the opposite sex, scientists reveal

Peter Stubley
Thursday 17 September 2020 16:00
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A snorkeler swims with a six-metre-long whale shark in the Maldives' remote Baa Atoll,
A snorkeler swims with a six-metre-long whale shark in the Maldives' remote Baa Atoll,

The largest fish on Earth are female, research suggests.

A ten-year study of the endangered whale shark has revealed that they grow at different rates depending on their sex.

While males of the species Rhincodon typus - the biggest known living fish on the planet - grow faster, they stop at an average length of eight or nine metres (29 feet) when they reach sexual maturity at around the age of 30.

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