shore
No the shelf is among the shallowest parts of the ocean.
The benthic zone is a region at the lowest level of an ocean or lake. The intertidal zone is the shallowest part of the benthic zone.
arctic ocean
The Arctic Ocean
The would depend on the animal.
The Arctic Ocean Basin
Arctic ocean
The shallowest part of the ocean ecosystem is called the intertidal zone. This area is located between the high and low tide marks and is characterized by fluctuating water levels, exposure to air, and diverse habitats such as rocky shores, sandy beaches, and tidal pools. It supports a variety of marine life adapted to its unique conditions, including mollusks, crustaceans, and various types of algae.
The Adlantic OceanThe adlantic is the shallowest as well as the smallest of the worlds oceans. Arctic Ocean's average depth is only one quarter that of the Pacific. Average depth: 3,407 feet (1,038 m)Deepest point: 17,881 feet (5,450 m) in the Eurasian Basin
continental margins
The Arctic Ocean
The shallowest ocean of the world's five is the arctic. It averages 3450 feet deep and is also the smallest in area.