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Removing the Competition
Male dragonflies have specialized penises that scoop out sperm from previous males before depositing their own.
Dragonfly
Anisoptera
Dragonflies have evolved complex and competitive reproductive strategies involving specialized anatomy.
Vital Stats
🏷️ TypeInsect (odonata)
🌍 Found InNear freshwater worldwide — ponds, streams, wetlands
📏 Size2-12cm wingspan depending on species
⏳ Lifespan6 months as adult (up to 5 years as larvae)
🔞 Sexual Maturity1-2 weeks after final molt
💕 Mating SystemMales fiercely territorial; mate in 'wheel' formation mid-flight
📅 Mating SeasonSpring through fall
👶 OffspringHundreds of eggs laid in water
🍆 Penis Size2.0 mm
⏱️ Sex Duration10 minutes
🔬 Notable AnatomyMales have sperm-scooping organs to remove rival sperm before mating
⚖️ Sexual DimorphismMales often more colorful; both have claspers