photic

Of or relating to light.

Penetrated by or receiving light.

Designating or relating to the layer of a body of water that is penetrated by sufficient sunlight for photosynthesis.

Of or pertaining to those forms of radiation which are productive of luminous effects; relating to light.

In phytogeography, well-lighted: designating the upper bright region of bodies of water in which the light is sufficiently intense for the normal development of microphytes. Correlated with dysphotic and aphotic.

Of or pert. to light; specif., relating to the production of light by the lower animals.

of, related to, or irradiated by light; especially describing that part of the near-surface ocean is which photosynthesis is possible

of or relating to or caused by light