What adaptations to the bottom lifestyle are characteristic of the flounder? What is their significance?

Flounder is a bottom fish. At great depths there is a lot of pressure, but the flounder has a flat body, which contributes to the distribution of the pressure load and the flounder does not feel any difficulties with living at depth. Also, in the flounder, the color corresponds to the color of the bottom. This is a kind of camouflage. This color + flat body shape makes it possible for the flounder to hide everywhere. It is enough for it to just lie down on the bottom and it merges with it.