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In this tank, the tropical fish swim in unique schools. Using logic, fill the tank with fish so that every column, every row, and every box of nine squares has nine different fish.

To test whether a full row or full column is correct, click on a seashell found at the end of it.
 



Click on a fish and then on an open space in the grid.
If you make a mistake, use the EMPTY CELL to erase it.

If you need help, visit Professor Stu Doku’s NINE LIVES tutorial here.
Check Row
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Check Row
Check Row
Check Row
Check Row
Check Row
Check Row
Check Row
Check Column Check Column Check Column Check Column Check Column Check Column Check Column Check Column Check Column
 

   

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