Yes, but some types more than others. The light blue/gray color of most dolphins does help them partially but they also have very powerful tail muscles and can change direction very quickly. They really only have three main predators, Orcas (Killer Whales) Sharks, and People in some places. Basically yes they do but mostly to hide from their own prey! :)
camouflage
To hide from their predators.
i am not sure but i think it is to hide from all of its predators
they use it to hide from predators and prey
In order to camouflage to hide from predators.
The animals camouflage to hide themselves
they use it to hide from predators and prey
it helps them hide with their surroundings so that they can sneak up on their prey or hide from their predators.
Peppered moths have Camouflage and Mimicry, the use of Camouflage is to hide from predators.
Camouflage means to hide or disguise something so that it cannot be easily seen or found. Animals use camouflage to hide from predators and the military uses it to hide from the enemy.
Prey, because the prey use camoflage to hide themselves from predators. Also, predators could also use it to hide from other predators or hunters (humans).
To hide from predators and to stop themselves from getting eaten.