When chasing shrimps, whales make this splendid fishing net of neatly arranged bubbles that trap the shrimps in a cylinder where the whale can gulp them in.

I placed points at the center of each bubble column to see how the spirale goes. It looks like a simple [url=https://en.wikipedia.org/wiki/Archimedean_spiral]archimedean spiral[/url]. Sorry folks, no golden spiral here :-)[br][br]This picture is taken from [url=https://twitter.com/i/status/1293784948499976193]a video[/url] posted on [url=https://twitter.com/rafaela31416/status/1293784948499976193]Twitter[/url] by [url=https://twitter.com/rafaela31416]Rafael Araujo[/url].