"To witness the beauty of this dragon you had to venture to the depths of the sea. These serpents only ascended from the abyss to snatch and squeeze their unsuspecting prey. Drawing them under to their demise."

My thought process was along the lines of.. "What would happen if I took a few terrifying/unsettling creatures in the ocean and made it into an actual monster. :)"
You know, like oarfish, stonefish, eel, giant squid, sea snake, angler....