On October 3 the new series of Doctor Who will hit TV screens, and for the first time the time-travelling Doctor will be played by a woman: British actress Jodie Whittaker. Her casting created an ...

Barramundi fish, native to northern Australia, possess a unique ability to change sex from male to female as they mature, a phenomenon known as protandrous sequential hermaphroditism. Research ...

Many aquatic animals exhibit sequential hermaphroditism, changing sex to adapt to environmental cues, social dominance, or reproductive needs. From clownfish transforming into females to hawkfish and ...

A new study by the Institut de Ciències del Mar (ICM-CSIC) in Barcelona has revealed that gonochorism, or separate sexes, and not hermaphroditism, as proposed by recent phylogenetic work, is the ...

Scientists in the UK have observed a fascinating new fact about sex changing fish: the direction of sex change has implication for population numbers. More than 400 species of fish are sequential ...

Fish are far and away the largest and most diverse taxon among vertebrates. The varied array of form, function and life history strategies they display matches their widespread distribution across ...

Finding Nemo formally canonized the adorable anemone dweller the clown fish, but the Disney film punts on the most fascinating aspect of the organisms. As sequential hermaphrodites, they lead unique ...