I didn't consider how threatening he might be up until I actually placed him in the scene. That's when I realized I could make the player expect him to attack.
There were plans to include more characters and have their dialogue matter more (such as it being needed to solve puzzles). I stripped it down to give me less to do before the jam ended, so while the shrimp originally would have spoken about the importance of words they instead speak of them being aimless.