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Dad's Having the Baby
Male seahorses are the ones who get pregnant and give birth, carrying up to 2,000 babies in a specialized brood pouch.
Seahorse
Hippocampus
These unique fish have reversed traditional sex roles — males are the ones who get pregnant and give birth.
Vital Stats
🏷️ TypeFish (syngnathid)
🌍 Found InTropical and temperate coastal waters worldwide — seagrass, coral reefs
📏 Size1.5-35cm depending on species
⏳ Lifespan1-5 years
🔞 Sexual Maturity3-4 months
💕 Mating SystemMonogamous — mate for life with same partner
📅 Mating SeasonSpring and summer; multiple broods per season
🤰 Gestation14-28 days (in male's brood pouch)
👶 Offspring5-2,500 fry per brood (species dependent)
🍆 Penis Size3.0 mm
⏱️ Sex Duration8 hours
🔬 Notable AnatomyMales have brood pouch — get pregnant and give birth; only animals where males truly carry young
⚖️ Sexual DimorphismMales have brood pouch; otherwise similar