File:Turtlezone.jpg
The Turtle Zone from Super Mario Land 2: Six Golden Coins. The whale is not the boss, believe it or not. The boss is Octopus, a big Octopus with a round mouth and angry looking eyes.
The Turtle Zone is a zone/world in Super Mario Land 2. To get into the zone, Mario must be eaten by an enormous turtle, then revealing the Turtle Zone, which consists of many underwater levels, lots of Cheep-Cheeps, and a big sleeping whale.