Sand bubbler crabs (or sand-bubblers) are crabs of the genera Scopimera and Dotilla in the family Dotillidae. They are small crabs that live on sandy beaches in the tropical Indo-Pacific. They feed by filtering sand through their mouthparts, leaving behind balls of sand that are disintegrated by the incoming high tide.
I went for an early morning walk at 7.30 am as there was no wind today. Usually there is a strong easterly blowing. A car driving along the sand stopped and three enormous dogs leapt out and charged along at speed. They belonged to the Red Camel man:
This beach goes on for miles:
It is not hazard free: