bathypelagic(redirected from bathyal zone)
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Relating to or inhabiting the layer of the water column of the open ocean that lies between the mesopelagic and abyssopelagic layers at depths of about 1,000 to 4,000 meters (3,280 to 13,120 feet).
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
bathypelagicpertaining to the sea depths.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005