That's called a Tug.
Another name for a small boat is a "dinghy." Dinghies are often used for a variety of purposes, including recreation, fishing, and as tenders for larger boats. They are typically lightweight and can be easily transported or launched from a larger vessel.
A tug Boat
rafting boat
Skiff , dory,
Outboard motor.
junk
sampan
davit
A short boat is commonly referred to as a "dinghy." Dinghies are small boats often used for sailing or rowing, and they can serve as tenders for larger vessels or for recreational activities on lakes and rivers. They are typically easy to maneuver and transport due to their size.
The diameter is much larger than the small intestine.
sharpie
A transom is the wide, usually flat area at the very back of a boat. This is where an outboard motor is typically mounted. This is also where you usually find the name of the boat on larger vessels.