A kedge anchor is one name. A small anchor can be used as well. There are a wide variety of styles to choose from.
It is white.
anchor
Sailing yachts have the anchor at the bow of the boat.
Move the boat directly over the anchor
According to the Navigation Rules, a rapidly ringing bell every minute signals a boat at anchor in the fog.
Lighting requirements vary depending on whether you're talking about a sailboat or powerboat, International Rules or Inland Rules, the length of the vessel, and whether or not the vessel is at anchor. However, if at night you see a single white light only (no red or green lights), you're most likely looking at a boat at anchor.
an anchor that is on a chain and is winched up onto the boat
An anchor light is a lantern shown at night by a vessel at anchor.
A boat is kept in place by an anchor.
The in board end of an anchor line attaches to the bow (ie front end) of the boat/ship. On a small boat such as a River Drift Boat, the anchor line may be attached to stern (ie back end). of the boat.
An anchor light should never be used while moving.
from the bow