Home / Arts and Entertainment / Clownfish Dads Can Become Moms After Tragedy, Reveals Groundbreaking Nature Doc
Clownfish Dads Can Become Moms After Tragedy, Reveals Groundbreaking Nature Doc
11 Nov, 2025
Summary
- Clownfish can change sex from male to female
- Film explores biological and behavioral diversity in over 1,000 animal species
- Narrated by Elliot Page, features research from leading experts

In the months leading up to November 2025, a groundbreaking nature documentary titled "Second Nature: Gender and Sexuality in the Animal World" has been generating significant buzz. Directed by Drew Denny and narrated by Elliot Page, the film explores the remarkable diversity of gender and sexual behaviors observed across the animal kingdom.
One of the film's most intriguing revelations is the ability of clownfish to change sex from male to female. This fact, which may surprise many viewers, is used to pose a playful question: If Nemo's mother died in the Pixar film "Finding Nemo," could his father have simply become another mother? The documentary delves deeper into such biological realities, drawing on the research of evolutionary biologist Dr. Joan Roughgarden and other leading experts in the field.




