Further puffs expose more, and the prey item is gripped with the fish's sharp teeth and removed from the seabed. If it is a sand dollar, the fish drops it and picks it up again several times until the prey lands upside down. The fish then adopts its vertical stance once more and attacks the middle with closed jaws, crushing the soft central area.
Further breaths expose more, and the fish captures the prey item with its sharp teeth and lifts it from the seafloor. If it's a sand dollar, the fish drops it and picks it up again several times until the prey lands on its belly. The fish then assumes its upright position once more and strikes the middle with closed jaws, crushing the soft central area.