Darwin’s Bark Spider: Strongest Known Biological Silk

Category: Environment & Biodiversity

  • Darwin's bark spider is a spider species found in Madagascar.
  • Scientific name: Caerostris darwini.
  • It is known for producing exceptionally strong silk.
  • It builds very large webs, often stretched across rivers and streams.
  • Its silk has attracted scientific interest because of its remarkable toughness and mechanical strength.
  • The species was named in honour of Charles Darwin.
  • UPSC Focus: Madagascar biodiversity, spider silk, biomaterials.