|This group exists primarily or exclusively within the Pre-Super Genesis Wave continuity.|
Information in this article may not be canonical to the storyline of the games or any other Sonic continuity.
When Mollusks came across P.B. Jellyfish, they would have almost killed him if wasn't for the rest of the Forty Fathom Freedom Fighters (except for Big Fluke who was migrating). The Mussels were killed by Bottlenose who was disguised as a ninja as they were dropped in a deep hole, where the underwater pressure killed them instantly.