What is the name for the pelagic community that lives in the upper limits of the permanent darkness in the deep ocean?

Question

Quizplus · Accepted Answer

This community is named the deep scattering layer due to its tendency to reflect sound pulses which make it appear like a false bottom to people above. The scattering layer itself is comprised of a dense population of fish, squid, and other vertical migrators. Information can be found in the section Examples of Marine Communities.

What Is the Name for the Pelagic Community That Lives