Blue whale (Balaenoptera musculus). The huge tail stock of a blue whale showing lots of round scars thought to be from cookie cutter sharks. The tiny dorsal fin is clealry visible to the left. Gulf of California.

blue whale whale whales baleen mammal cetacean balaenoptera musculus gulf of california one animal single lone water tail fluking fluke diving dive scarring scars dorsal fin sealife sea life full frame close up close ups close up close ups