Venus flytraps work by using tiny trigger hairs on their leaf-like traps. When an insect touches the hairs twice within about 20 seconds, the trap snaps shut, seals tighter if the prey keeps moving, and then digests it with enzymes.

Quick Scoop

  • The trap is a modified leaf, not a mouth.
  • Touching the trigger hairs sends an electrical signal that makes the lobes close fast.
  • The “teeth” around the edge lock the trap like a cage.
  • If the trigger is false, the trap can reopen.
  • After the insect is trapped, the plant releases digestive enzymes and absorbs nutrients, especially nitrogen and other minerals from poor soil.

How it catches prey

The plant attracts insects with color and scent, then waits for movement inside the trap. Two touches in a short time help it avoid wasting energy on raindrops or debris. This makes the flytrap both picky and efficient.

What happens next

Once sealed, the trap keeps tightening if the prey struggles. Digestion usually takes several days, and afterward the trap reopens, leaving behind the indigestible parts.

If you want, I can also explain this in a super simple kid-friendly version or show the process step by step.