Okay braniacs: your definition for the day. "Euphotic" is the name for the zone of the ocean (or a lake) exposed to enough sunlight for photosynthesis to occur. It is also the most beautiful word that is also an underwater term that I could use for today's animation.
In case you missed the previous installments:
Part One: Admit One
Part Two: Banished
Part Three: Coastal
Part Four: Deluge