Why Sharks Don't Get Barnacles: Unique Skin Explained

Discover why sharks are free of barnacles thanks to their unique skin structure and behaviors.

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Sharks don't get barnacles due to their unique skin, which is covered in dermal denticles. These tiny, tooth-like scales reduce drag while swimming and prevent barnacles from attaching. Additionally, sharks often inhabit deeper, cleaner waters and are constantly moving, further discouraging barnacle growth.

FAQs & Answers

  1. What are dermal denticles? Dermal denticles are tiny, tooth-like scales found on shark skin that reduce drag and help prevent barnacle attachment.
  2. Do all fish get barnacles? Most fish can get barnacles, but species like sharks have unique adaptations that prevent it.
  3. Why are sharks constantly moving? Sharks often need to swim continuously to maintain buoyancy and ensure water flows over their gills for respiration.
  4. What environmental factors affect barnacle growth? Barnacle growth can be influenced by water temperature, salinity, and the presence of suitable surfaces for attachment.

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