Effect of Colour on Fish

This Progress Report submitted by Devon of the fish group [e-mail:birchswinger_@hotmail.com] on 11/2/98.

Well after much thought and a LOT of help from the class and Hays we finally have a method of collecting data that we feel is quite sound. The idea was to come up with a set of criteria on which to observe the fish behaviour by. The guidelines we came up with are:
-When the coloured paper is put up against the fish bowl, what direction is the fish facing? Looking at the paper, or away? Or to what side?
-When it's put on, what quadrant (the fish bowls have been marked off into four quadrants by a horizontal line and a vertical line across the top) is it in? 1, 2, 3, or 4?
-What quadrant, if any, does it move to, and how long did it take the fish to move there?
-What hemisphere is the fish in? ( the water level in every bowl has been made the same and it's been marked off, in the middle, to have a top and a bottom hemisphere) Does the fish change hemispheres? If so, how long does it take the fish to move?

Since the class presentation we've changed the fish bowls so that, with the exception of Roy because he needs a special tank, they are all the same; with the same amount of water in each and the same rocks at the bottom of all. We've decided that we're going to test one colour a day and do three, three-minute repetitions with a one-minute break in between. Each day of the week we're going to change the colour and when we've gone through all the colours, we'll start the cycle again. This process insures many tests of each colour.
The data table we will use to record our observations is:

Species of Fish Date Colour Observation

this table will be filled out appropriately with the information required.

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