This is what a gray whale looks like as it swims just beneath the surface and makes a friendly approach to the boat.
Eschrichtius robustus UW 2015 02-24 SB Coast-359
From 2015 02-24 SB Coast
Tail fluke waterfall - a Humpback Whale (Megaptera novaeangliae).
From 2010 04-07 SB Channel