How Do Fish Move?


They use their fins and tail to propel them. They also have a swim bladder that allows them to move up and down. This is how fish move while swimming. You can find more information here: http://littleshop. physics. colostate. edu/Videos/Sinking&Floating/howdofishswim/howdofishswim. html
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Class Actinopterygii
Actinopterygians, or β€˜ray-finned fishes,’ are the largest and most successful group of fishes and make up half of all living vertebrates. More >>
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