Specimen No. 007 ยท Marine Mammal
Florida Manatee penis size & anatomy
Trichechus manatus latirostris
Reference measurement
Approx. 39.9 cm / 15.7 in
Representative estimate
Two adult males in an anatomical thesis measured 42.0 and 37.8 cm; calculator uses their mean.
Measurement source: University of Florida (opens in a new tab)
Did you know?
The two adult male specimens measured 42.0 cm and 37.8 cm from the crura to the tip.
Manatee testes are internal, consistent with their streamlined aquatic body plan.
The penis measurement in the study included the organ from the top of the crura to the tip.