![Natural pattern with small balls of sand and hole made by sand bubbler crabs or sand-bubblers Stock Photo - Alamy Natural pattern with small balls of sand and hole made by sand bubbler crabs or sand-bubblers Stock Photo - Alamy](https://c8.alamy.com/comp/T786TH/natural-pattern-with-small-balls-of-sand-and-hole-made-by-sand-bubbler-crabs-or-sand-bubblers-T786TH.jpg)
Natural pattern with small balls of sand and hole made by sand bubbler crabs or sand-bubblers Stock Photo - Alamy
A little sand bubbler crab is hard at work, creating tiny sand balls in Guangdong, which is how they filter out all the nutrients in the sand. | Brachyura | A little
![Stock photo of Sand balls made by Sand Bubbler Crab (Scopimera inflata) North Stradbroke…. Available for sale on www.naturepl.com Stock photo of Sand balls made by Sand Bubbler Crab (Scopimera inflata) North Stradbroke…. Available for sale on www.naturepl.com](https://nplimages.infradoxxs.com/cache/pcache2/01175090.jpg)