User blog comment:Peep the Peeper/Subnautica Vehciles Concept Page/@comment-1.129.96.253-20170315010208

What about this: because the peeper submarine resembles a peeper using it will increase the amount of aggression certain other sealife (specifically peeper predators) show towards you. you could also make some of the sealife that aren't normally agressive become agressive because you look like lunch.

As a flip side of this the sub could also attract smaller passive fish, making it a great all-round food magnet.