Gender-Changing Animals Exist
By Radiocity Team
Published Jun 20, 2025
Clownfish Can All Be Male First
All clownfish are born male. The dominant one becomes female to breed. If the female dies, the next male takes her place.
Slipper Limpets Stack & Switch
These sea snails live in piles. The bottom ones are female, the top ones male—until they switch roles as the stack shifts.
Wrasse Fish Flip Genders Fast
Many wrasses are born female and turn male if no males are around. The switch can happen in just days, ensuring reproduction continues.
Green Sea Turtles Vary by Heat
Their gender is determined by egg temperature—warmer sands create females. Some species even show rare sex reversals in changing climates.
Parrotfish Change With Age
Born female, most parrotfish transition to male as they mature. Some go through vibrant color changes too, making the shift even more striking.
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Frogs Can Switch in the Wild
Under certain environmental stresses, frogs have been observed changing their sex naturally—an adaptation that may help population balance.
Banana Slugs Are Both at Once
These slugs are simultaneous hermaphrodites—meaning they have both male and female organs and can fertilize each other during mating.
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