Fish swim with the help of fins
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How do fish swim so fast...
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- Fishes exhibit remarkable adaptations for locomotion within aquatic environments. Their bodies typically assume a streamlined, fusiform shape, being thicker at the anterior end and tapering towards the posterior.
This morphology minimizes hydrodynamic drag, facilitating efficient movement through water.
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- Swimming mechanics in fish primarily involve the interaction of muscular contractions and the surrounding water.
Most species generate propulsion by contracting myomeres—segmented muscles along the sides of the body—creating lateral waves of flexion that travel from the head to the tail. This undulatory motion displaces water laterally, leading to a net backward force that propels the fish forward.
While many fish rely on this lateral movement combined with the caudal fin for propulsion, others utilize median and p
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Additionally, a mucous layer covering their skin further reduces friction as they navigate through their habitat. Variations in body shape arise as species adapt to specific ecological niches, reflecting the diverse lifestyles of fish.