This is a Coral Reef. Coral reefs are found in shallow water where sea surface temperatures range from 68° F to 97° F and they are like busy cities in the ocean.
This is a shark but there are other animals in the Coral Reef like Eds, Clown Fish and Corals, Corals are actually animals, but when they die they pile up together and make a reef.
This is algae there are some other plants like sea grass and mangrove and more.
Coral reef biomes are naturally colorful because of algae. If the coral reef is this means that there is a pollution problem.
In open water fish have adapted to swim faster away from their prey, but in the coral reefs fish have adapted bodies that are flat (like a pancake).Fish found in coral reefs also have bright colors to help with mating or camouflage