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Further Investigations: What is a Fish?

  1. Research to find one or two older scientific definitions of fishes. How has the definition of fishes changed over time? Why do you think the definition has changed? (Hint: search widely as early definitions of fishes may include marine mammals as well as amphibians and even invertebrates).
  2. Create a poster, cartoon, or other advertisement to help people understand why jellyfish, starfish, and/or crayfish are not really fish.
Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.