Model display at 1/5th scale
"Opportunism(n)-the art, policy, or practice of taking advantage of opportunities or circumstances often with little regard for principles or consequences." as defined by Merriam-Webster.
Such is the life of the Trench Stalker, from it's first fluttering breaths to it's last death rattle. All known evidence of this creature is through local legend, and inconclusive markings located along area Chilean beaches.
What has been deduced from lore is that periodically the shifting and grinding along the Marianas trench will from time to time release large pockets of carbon-dioxide and oxygen. Unfortunate ships that happen to be in the area are lost to these super-massive releases. Yet what is lost to one is but an irresistable opportunity for another. It is suspected that the Trench Lurker can feel the vibrations of a sudden release and poise itself along the rugged walls of the trench, and when the time comes will ride the swift moving torrent to the surface, it's massive bulk made weightless. It feeds voraciously sweeping all into it's maw on both the trip up and back. And when one elder Trench Stalker dies...the breeding season begins by the laying of Abyssal Maggots who consume the dead, bones and all...leaving no other evidence behind of their existence.