of or relating to the stratum of the oceanic zone where enough light is present for photosynthesis to occur.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for epipelagic
of, relating to, or inhabiting the upper zone of the ocean from just below the surface to approximately 100 metres deep
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012