Organ of a male gray whale ante-copulo describing a graceful parabolic curve as it comes out of the whale on a roll.

Image ID: fish9691, NOAA's Historic Fisheries Collection
Location: Mexico, Baja California, Scammon Lagoon
Photo Date: 1953 circa
Photographer: Dr. Raymond M. Gilmore
Credit: NOAA Central Library Historical Fisheries Collection; FWS

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