The Marbled Flounder is a small species of fish found in both Endless Ocean and Endless Ocean: Blue World.

In-Game Description

Endless Ocean

These fish have flat, elliptical bodies. The side with eyes is brown, while the side without eyes is white. They can be seen year-round in sandy-bottomed areas and caves.

Endless Ocean 2

Both eyes are on the right side of this fish’s flat, elliptical body. It changes colour like a chameleon to blend in with the seabed where it lives. Very rarely, white-bodied marbled flounders are born. These fish lack the ability to change their colour and are easily seen by predators. as such, they have a lower life expectancy.


In the first game, these can be found in Mermaid's Tunnel. In the second game, they're around H-7, Ciceros Strait, South Canyon, near the Wreck of the Emerald Lady, a shark-infested wreck, meaning that obtaining its information can be dangerous.


These fish swim around idly under zoom-mode spots.


  • These can be found day and night in both games.
  • The only form available to find in either game appears to be the juvenile form.

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