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Crawdad Grab


Source Institutions

    Lawrence Hall of Science

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Crawdad Grab

In this outdoor, freshwater activity, learners explore the behavior and food preferences of crawdads (or crabs) by "fishing" for them with various baits. An extension of this activity is to mark learners' catches with red nail polish and release them back into the water, then try to find them on a later day to discover how far they may have moved.

Quick Guide


Preparation Time:
Under 5 minutes

Learning Time:
45 to 60 minutes

Estimated Materials Cost:
$10 - $20 per group of students

Age Range:
Ages 6 - 11

Resource Types:
Activity, Field Trip, Lesson/Lesson Plan

Language:
English

Materials List (per group of students)


  • two- to four-meter pieces of heavy string or 15-20 lb. test fishing line (2 per team of two)
  • large alligator clips (2 per team of two)
  • one- to two-meter-long fishing poles (2 per team of two)
  • long-handled net with hoop opening 20 cm or larger (1 per team of two)
  • crawdad container (bucket, dishpan, burlap bag) (1 per team of two)
  • a variety of baits (e.g. bacon, meat or fish scrapes, bones, pork rinds, liver, fish guts, clams) cut into strips or chunks
  • old nylon stockings or mosquito netting
  • weights (e.g. nails, washers)
  • red nail polish (optional)

Subjects


  • Life Sciences
    • Diversity of Life
      • Animals
  • The Nature of Science
    • The Scientific Process
      • Asking Questions
      • Conducting Investigations
      • Formulating Explanations
      • Communicating Results

Informal Categories


  • Animals
  • Food and Cooking
  • Nature and Environment
  • Outdoor Activity
  • Physical Activity

Audience


To use this activity, learners need to:

  • see
  • be mobile
  • touch

Learning styles supported:

  • Involves teamwork and communication skills
  • Involves hands-on or lab activities

Other


This resource is part of:

Access Rights:

  • Free access

By:

Rights:

  • All Rights Reserved, The Regents of the University of California, ©1982

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