Answer: False.
Explanation: The typical depth of a coral reef is not limited to just 50 feet. Coral reefs can vary significantly in depth, ranging from shallow areas near the water's surface to depths of several hundred feet or more. Some coral reefs extend down to depths of over 1,000 feet. The depth of a coral reef depends on various factors such as the location, the surrounding oceanography, and the specific type of coral reef.
For example, fringing reefs, which are located close to shorelines, often extend just a few feet or meters below the water's surface. Barrier reefs, on the other hand, can have a much greater depth, with their outer edges extending further into the ocean.
It is important to note that while the coral itself may extend to a certain depth, the entire ecosystem of a coral reef can be more extensive. Coral reefs support a diverse array of marine life, including fish, invertebrates, and other organisms that inhabit the surrounding waters and seafloor.