The whale is bubble netting, he is swimming in a circle, blowing a stream of bubbles to concentrate fish, if you look at the video, you can see little 'dapples' on the surface of the water, right before the whale surfaces, those are small fish hitting the surface.
The whale is bubble netting, he is swimming in a circle, blowing a stream of bubbles to concentrate fish, if you look at the video, you can see little 'dapples' on the surface of the water, right before the whale surfaces, those are small fish hitting the surface.
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