Each of the stamps in this four-stamp set shows one type of coral and one species of fish found in coral reefs.

Finger Coral (Porites compressa) has finger-like branches with porous skeletons. The tips of its branches are usually blunt or flattened. It is light-brown to yellowish in color. Finger coral's structure has calices that flush with the surface. The upper septa surface looks like elevated rods. This species can be found in wave protected areas, 0-50 meters from shore. It is known as pohaku puna to Hawaiians.