Leeches use their whole bodies to entomb and eat ultra-fast worms

Blackworms are ultra-fast swimmers, and they tangle up into worm balls to protect themselves from predators – but leeches have an ingenious method of catching them called “spiral entombment” Blackworms are ultra-fast swimmers, and they tangle up into worm balls to protect themselves from predators – but leeches have an ingenious method of catching them called “spiral entombment”  New Scientist – News