Online Marine Science Coloring Book - Blue Crab

Enjoy this online coloring book and then learn more about blue crabs and other marine life by clicking the links on the right.


  • Set the width of the paint brush to paint wider or thinner lines.
  • Use the paint bucket to paint an entire area.
  • Zoom in for detailed work.
  • Use the Undo button to remove what you've done in steps.
  • Save your finished hermit crab drawings on your computer by clicking the disk icon.