https://refractor.io/environment/giant-aquatic-crop-circles-japan/
Pufferfish build intricate sand circles to attract mates
Jan 4, 2026 - Discover how male pufferfish create complex underwater sand circles for reproduction, a fascinating display of marine behavior and emergent complexity.
pufferfishbuildintricatesandcircles
https://www.nhm.ac.uk/discover/pufferfish-underwater-balloon-of-death.html
Pufferfish: An underwater balloon of death? | Natural History Museum
Find out why pufferfish inflate and how their potent poison links Japanese diners, dolphins and painkillers.
natural history museumpufferfishunderwaterballoondeath
https://mastodon.puffer.fish/
PufferFish
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pufferfish