Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Male pregnancy is a rare phenomenon in the animal kingdom, ...

In seahorses, it is the males who carry offspring to term. The females lay their eggs into a special brood pouch on the bellies of the males where they are fertilized by the male's sperm. In the brood ...

Male seahorses have quietly rewritten one of biology’s most familiar scripts, shifting the burden of pregnancy and birth onto fathers and turning paternal care into a full‑body commitment. Their ...