They can be called fishing bouys or, usually, bobbers.
In the United States, red buoys have red lights, and are even numbered. If the are unlit they are in the shape of a semi-cone and are called "nun" buoys. The day markers are red triangles.
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Some red buoys are known as "nun" buoys.(Ref: SB-4)some red buoys are known as nun buoys
Buoys are buoyant objects that float on the surface of water. They are tethered to something like a submerged fishing line or a lobster trap. They allow the fisherman to easily locate the trap to which they are tethered.
Mooring buoys
Red Buoys are called Nuns and green buoys are called cans. The red buoy is pointed on top and looks like a red nun floating in the water.
Deep sea fishing fishing far out at sea is called deep sea fishing .
Floating markers in the ocean are called buoys.
Some red buoys are known as "nun" buoys.(Ref: SB-4)some red buoys are known as nun buoys
Mid channel buoys
There are several types of buoys used in maritime navigation, including navigational buoys, mooring buoys, and special purpose buoys. Navigational buoys mark channels, hazards, and other important points on the water. Mooring buoys are used for boats to tie up to, and special purpose buoys serve specific functions, such as weather monitoring or scientific research.
I am not certain I understand the question, but yes there are red buoys in the US. The red buoys are on the right side of the channel when returning from sea. They are even numbered and unlit buoys are called "Nun" buoys. The US is in the IALA-B (International Association of Lighthouse Authorities) The "B" Region covers North and South America, Japan, South Korea and the Philippians. IALA-A Covers the rest of the world.