User blog comment:Jimmy2004/Sandworm?/@comment-62.122.211.198-20160330090746/@comment-25238020-20180227070807

Actually this was not a test. It was an actual model that was implemented in the game, but this was in the very early stages of the game. It appeared in places that the sandshark usually were and usually stayed submerged and only attacked when the player approached. It never roamed anywhere else.

(sry for being a couple years late)