What we learn from a fish that can change sex in just 10 days
- Written by Jenny Graves, Distinguished Professor of Genetics, La Trobe University
The male bluehead wrasse defends his group of yellow females, one of whom has to step-up and take charge if he leaves.Kevin Bryant, Author providedThe bluehead wrasse is a fish that lives in small social groups in coral reefs in the Caribbean. Only the male has a blue head – signalling his social dominance over a harem of yellow-striped...
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