Planaria Fishing

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In this activity, learners capture and observe planaria, which are worms that eat tiny pond critters. Use this activity to discuss the diversity of life forms present in different habitats like ponds. Safety note: learners must wash their hands with soap and water after handling raw meat and messing around in pond water. Tiny bacteria can live in uncooked meat and pond water, and could make them sick.

Quick Guide

Preparation Time:
Under 5 minutes

Learning Time:
10 to 30 minutes

Estimated Materials Cost:
$1 - $5 per student

Age Range:
Ages 4 - 18

Resource Type:


Materials List (per student)

  • A pond
  • A length of sturdy thread
  • Small piece of raw liver or ground beef
  • Small jar
  • Magnifying glass


  • Life Sciences
    • Diversity of Life
      • Animals
      • Classification
    • Ecology
      • Ecosystems
  • The Nature of Science
    • The Scientific Process
      • Conducting Investigations

Informal Categories

  • Animals
  • Nature and Environment
  • Outdoor Activity


To use this activity, learners need to:

  • see
  • touch

Learning styles supported:

  • Involves hands-on or lab activities


This resource is part of:

Access Rights:

  • Free access