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Male anglerfish are 60 times smaller than females and survive by permanently fusing their body to the female, becoming a living sperm sac.
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Animal OdditiesFeb 04, 2026

Male anglerfish are 60 times smaller than females and survive by permanently fusing their body to the female, becoming a living sperm sac.

Male anglerfish permanently fuse to females and become sperm sacs. Males are 60 times smaller than their mates. They bite the female and never let go. Their body dissolves except for reproductive organs. One female can have 8 males attached.

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