[MARMAM] Unknown protrusion on humpback whale

Research Department research at pacificwhale.org
Tue Mar 15 13:07:42 PDT 2016

Dear MARMAM community,

We received photos of a humpback whale from a passenger on a whalewatch a
few weeks ago in the Maui region. The images show a protrusion of some kind
from the whale’s genital slit, and we are interested in any feedback from
the community on what may be occurring in these photos.

The whale was repeatedly slapping the ventral side of its flukes on the
surface of the water and periodically rolling over and exposing this
protrusion above the surface. The photos can be viewed here:

All comments and suggestions are welcome! Please send responses to
research at pacificwhale.org


Research Team

Pacific Whale Foundation



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