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Science
Related: About this forumSmall fish makes undersea "crop circles"
This pretty pattern was created by a small, amorous pufferfish.
Underwater cameras showed that the artist was a small puffer fish who, using only his flapping fin, tirelessly worked day and night to carve the circular ridges. The unlikely artist best known in Japan as a delicacy, albeit a potentially poisonous one even takes small shells, cracks them, and lines the inner grooves of his sculpture as if decorating his piece. Further observation revealed that this mysterious circle was not just there to make the ocean floor look pretty. Attracted by the grooves and ridges, female puffer fish would find their way along the dark seabed to the male puffer fish where they would mate and lay eggs in the center of the circle. In fact, the scientists observed that the more ridges the circle contained, the more likely it was that the female would mate with the male. The little sea shells werent just in vain either. The observers believe that they serve as vital nutrients to the eggs as they hatch, and to the newborns.
http://boingboing.net/2012/09/19/small-fish-makes-undersea-cr.html
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Small fish makes undersea "crop circles" (Original Post)
n2doc
Sep 2012
OP
Scuba
(53,475 posts)1. Super cool. Thanks for posting.
cachukis
(2,200 posts)2. Neato. Thanks.
Solly Mack
(90,740 posts)3. That is just fucking awesome!
Now stop eating the little artists!
horseshoecrab
(944 posts)4. simply beautiful! n/t
drokhole
(1,230 posts)5. Reminded me of standing sound waves...
...known as "cymatics" - or, "visible sound" - as demonstrated in these videos:
(ample warning, you may want to turn your speakers down...or off, for that matter)