| Dynamic Lift |
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Dynamic lift is a process of motion used by some Fish . Bone and mussle tissues are more dense than water. To maintain depth some fish increase Bouyancy by means of a Gas Bladder or by storing oils or Lipids . Fish without these features use dynamic lift instead. It is done using their pectoral fins in a manner similar to the use of wings by Aeroplane s and Bird s. As these fish swim, their Pectoral fins are positioned to create lift which allows the fish to maintain a certain depth. The two major drawbacks of this method are that these fish must stay moving to stay afloat and that they are incapable of swimming backwards or hovering. |
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