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Dolphin

Delphinidae

These intelligent marine mammals are one of the few species known to engage in sexual activity for reasons beyond reproduction.

Vital Stats

🏷️ TypeOceanic dolphin (marine mammal)
🌍 Found InOceans and seas worldwide; some in rivers
📏 Size1.5-4m depending on species (bottlenose: ~2.5m, 200-300kg)
⏳ Lifespan40-60 years
🔞 Sexual MaturityMales: 10-15 years | Females: 5-13 years
💕 Mating SystemPromiscuous — males form alliances to coerce females
📅 Mating SeasonYear-round with peaks in spring/summer
🤰 Gestation11-12 months
👶 Offspring1 calf every 2-3 years
🍆 Penis Size35 cm
⏱️ Sex Duration10 seconds
🔬 Notable AnatomyPrehensile penis with voluntary control; one of few species having sex for pleasure
⚖️ Sexual DimorphismMales slightly larger; more aggressive behavior

2 Facts about Dolphin

Masters of Pleasure

Dolphins have sex for fun, masturbate creatively, and have functional clitorises — making them one of the clearest examples of non-human sexual pleasure.

The Labyrinth Within

Dolphin vaginas contain complex spiraling folds that act as physical barriers — giving females hidden control over which matings succeed.