University of Otago – Ōtākou Whakaihu Waka scientists have discovered that it takes mere minutes for a species of sex-changing fish to develop dominant behaviour after a change in the pecking order.
NEW YORK (AP) — If in the beginning there was male and female, fish seem to have forgotten the memo. For nearly 500 fish species, including the clownfish in “Finding Nemo,” the great divide between ...