Blue Whale Fluke with Scars from Orca Attack | Sea of Cortez, Baja Peninsula, Mexico
This is the fluke of a well-known blue whale (Balaenoptera musculus) nicknamed Nubbin that has been sighted repeatedly in the Sea of Cortez. The distinctive scars and indentations on this whale's fluke provide an unambiguous reference for identification. Note the scratches, which were most likely the result of an encounter with orcas.