To attract a female the Puffer Fish (Tetraodontidae) spends about a week creating – maintaining it 24/7 so the currents don’t destroy it – a Sand Mandala of about 2 meters in diameter. The little puffer fish is only about 12 centimeters long and it’s amazing that he can create something so beautifully and geometrically correct!
Have a look at this excerpt from a BBC series, narrated by David Attenborough.
View another video where you can see this little in action >>