In Europe the use of three levels of air feeding with primary and secondary below the liquor guns started about 1980.

Much of the fish's life is spent feeding on the ocean bottom, sometimes 3,000 feet (900 m) below the surface.

They feed inside the stem of their host plant, usually below the surface of the sand.

We drank from the mountain waterfalls feeding the rivers below us.

A herd of cattle was feeding in the hollow below them, left there by some blundering Spaniard.

Marbled murrelets feed below the water surface on small fish and invertebrates.

Chafer grubs feed below ground for 3-4 years before changing into adult beetles.

They were feeding on the nymphs as they rose, just below the surface.

They feed both at the ocean's surface and below it, and even feed on each other.

A trout feeds below the water's surface nearly 90 percent of the time.