The Challenger Deep in the Mariana Trench is the deepest known point in Earth's oceans. In 2010 the United States Center for Coastal & Ocean Mapping measured the depth of the Challenger Deep at 10,994 meters (36,070 feet) below sea level.
Due to a decrease in the supply of food and other resources for fish population their population will start to decline, some will migrates in the search for food while there may compete for the remaining resources. Impacting their population density and his may lead to the death of fishes, some of which may be eaten by other bigger fish.
