Specimen No. 005 ยท Marine Mammal
Harbor Porpoise penis size & anatomy
Phocoena phocoena
Reference measurement
Approx. 50 cm / 19.7 in
Approximate average
Modern comparative anatomy source describes the penis as approximately 50 cm.
Measurement source: Springer Nature (opens in a new tab)
Did you know?
For a relatively small cetacean, the harbor porpoise has a penis about 50 cm long.
The distal tip remains pliable while the shaft can become rigid.
Male and female genital anatomy shows matching left-canted asymmetry.