Natural Selection
Is Dã Tràng Vietnam's Cutest Sand Artist or a Folk Symbol of Fruitless Pursuits?
Strolling along Vietnam’s beaches when the tides are low, one might encounter a number of whimsical patterns created by countless sand pellets. These are the works of a tiny species of crustacean called dã tràng. Not only are these little crabs fascinating, thanks to their sand-sieving mechanism, which is how they obtain food, but they are also the subject of an intriguing folktale that often leaves readers pondering its philosophical implications.
