![Halichoeres timorensis](/uploads/4/8/1/0/4810798/published/timor-wrasse-1_1.jpg?250)
My wrasse were hunting in the rocks for pods and other tasty morsels when every now and again they peck at something and release a could of tiny particles through their gills. Not absolutely sure what it is. probably a mix of soft rock, detritus and remains of pods.