Stuff of nightmares? Meet the bootlace worm

Its mucus, which can kill crabs and cockroaches, could be the basis of new insecticides

Stuff of nightmares? Meet the bootlace worm

TL;DR

  • The bootlace worm (Lineus longissimus) is one of the longest marine invertebrates, with one specimen recorded at 55 meters.
  • It is highly elastic and typically measures around 15 meters in length and 5-10mm in width.
  • When threatened, the worm discharges a toxic mucus that can paralyze and kill crabs and cockroaches.
  • The toxins, known as alpha-nemertides, have little impact on mammals, making them potential candidates for new insecticides.
  • Bootlace worms are voracious predators that swallow other worms whole.
  • The article highlights the potential for discovering new chemicals and medicines within the invertebrate world.