The hardhead catfish is a bottom feeder found beneath the waves of the Gulf of Mexico. Their cousin, the channel catfish, is also a bottom feeder but is found in rivers and streams throughout the United States. Based on the information provided, which answer choice best describes why these two species cannot survive in the same habitat?

A. The diets of the two species are too different.
B. The channel catfish would not be strong enough to swim through ocean currents.
C. The channel catfish could not survive the increased salt content of the Gulf of Mexico.
D. The hardhead catfish population would be too large for rivers and streams.