Fish that live in coral reefs including the queen angelfish need to be able to make tight turns 4
5 CHAPTER 1 Moving through Water A queen angelfish swims near shore in the western Atlantic Ocean Its bright yellow tail fin beats back and forth The fish's thin body fits between cracks in rocks It changes direction often to avoid coral Its small body fins help it stop and turn
6 Bodies and Fins Most fish have smooth bodies fins and tails Yet each species is a different size shape and color Fish’s bodies adapt to where they live in order to survive More than 85 percent of fish swim by wriggling their bodies and tails They use their fins to steer Some fish such as eels move their bodies in many curves The curves ripple down Swimming Speed The fastest fish swim with their tails Strong quick beats push their bodies through the water Fish that swim with their body fins are slower Body fins help fish move around objects
7 their bodies Other fish such as trout move their bodies less Tuna swim through the ocean They can swim in bursts faster than 40 miles per hour 64 km h
