When it’s hot out, some animals - like your pet dog - pant profusely. Central bearded dragons ( Pogona vitticeps) Here’s why that is plus the science behind 5 other sex-changing animals. Most recently, scientists discovered heat can cause central bearded dragons to change their sex. After the 2019 discovery that stress causes some fish to change their sex, researchers announced sexual fate “may be inherently plastic in all vertebrates.” Why it’s relatively rare is still a mystery: Scientists say that, overall, the advantages of switching sexes outweigh the costs. This phenomenon - that ability to live as one sex, then switch to the other - is known as sequential hermaphroditism. Sexual plasticity is found across the animal kingdom, from the jungles of Burundi to the tropical waters of the western Atlantic Ocean. Here’s something Finding Nemo forgot to mention: clownfish can change sex, depending on their social setup.
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