No higher resolution available. Bilaterus,_The_Skeleton_Double-Bone_Headed_Killer.png (download) (208 × 71 pixels, file size: 9 KB, MIME type: image/png) About File History Licensing: This file is in the public domain Appears on these pages of Aliens Aliens are the main antagonists who invade the player's tank in Insaniquarium. They are the... Bilaterus Bilaterus is the final alien to be encountered in the game (if not counting Cyrax). They can be... File history Click on a date/time to view the file as it appeared at that time. Date/TimeThumbnailDimensionsUserComment current11:16, November 27, 2009208 × 71 (9 KB)BigFish122 (Talk | contribs) Read more Sylvester is the first alien that encountered in Adventure Mode. Sylvester has a dark blue... Sylvester The term, Underworld is a location from Insaniquarium. The aliens come from this location. They... Underworld Ulysses Retrieved from "http://insaniquarium.wikia.com/wiki/File:Bilaterus,_The_Skeleton_Double-Bone_Headed_Killer.png?oldid=4045" Ad blocker interference detected! Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.