Marlin loses consciousness and wakes up to see a sea turtle named Crush , who takes Dory and him on the East Australian Current .
After receiving directions to Sydney from a large school of Silver moony , Marlin and Dory accidentally run into a bloom of jellyfish that nearly sting them to death ; Marlin falls exhausted after the risky escape and wakes up to see a surf-cultured Green sea turtle named Crush , who takes Dory and him on the East Australian Current .