Sargassum Fish - What Are They?

The sargassum fish is both beautiful and frightening in just the right proportions. They can adjust their coloration from dark browns and greens to light browns and green so that they blend into the environment completely. The pipe fish, or portunus sai, has an orange colourization that apparently matches up with the sargaso sea. And a sideway crab swims sideways because it's more adapted for swimming than walking.