How Do Fish Become Male or Female? - The Atlantic

Lumpfish, Animals

BBC One - Blue Planet II - Filming fish that change sex

How Do Fish Have Sex and Reproduce?

The male and female Atlantic salmon (Salmo salar) are isolated on the white background. Stock Vector

Fish: Anglerfish, the amazing sexual parasites of the abyss, Science

Once they have laid their eggs, fish become 'young' again: Study

Istiophorus platypterus – Discover Fishes

Atlantic Green Parrotfish (Male), Ace Fishing Wiki

It Looks Awkward, but This Fish Has a Secret Glow - The New York Times

Sex Lives of Fish Natural History Magazine