Specimen No. 006 ยท Marine Mammal
Common Bottlenose Dolphin penis size & anatomy
Tursiops truncatus
Reference measurement
Approx. 15 cm / 5.9 in
Single documented specimen
15 cm was measured base-to-tip in a named male used in a recent reproductive study; not a species average.
Measurement source: PMC / Veterinary Medicine and Science (opens in a new tab)
Did you know?
A recent study documented a 15 cm base-to-tip penis length in one male bottlenose dolphin.
Source: PMC / Veterinary Medicine and Science (opens in a new tab)
Female bottlenose dolphins have vaginal folds that can affect the path of the penis.
Source: PMC / Veterinary Medicine and Science (opens in a new tab)
Cetacean pelvic bones help anchor muscles that control genital movement.
Source: Evolution (opens in a new tab)