All fish adapt to their environment in many ways and it depends on where they live and what breed of fish it its.
Adapt is to get used to your surroundings, to learn to use something for your own advantage.Social StudiesAdapt can also mean to camouflage for self-preservation and to hunt.
Animals often adapt to survive in their changing surroundings.
A bird adapt to it's climate by using it's feathers to keep it self warm.It sometimes snuggle with it's young also.
If epecies don't adapt they can soon die from no food or shelter