The koral beakworm keeps the thorns of its ancestor. It feeds on stickyballs, which grow on crystal koral during low tide and will be washed off during high tide. When food is scarce, it also can peck a hole in the crystal koral with its strong beak and gulp the oozing sap.
Living Relatives (click to show/hide)
These are randomly selected, and organized from lowest to highest shared taxon. (This may correspond to similarity more than actual relation)