Fig. 11. (A) Results of Behavior Experiment 1. The median (and 75% quartile) number of snapping and biting behaviors exhibited by groups of goldfish in a 4 min period before odor was added (`Pre') and then while odor was present (`During') in Experiment 1. Significant differences between the Pre- and test periods are noted. **P<0.01. (B) Results of Behavior Experiment 2. The median percentage time (75% quartile) spent by goldfish in the area of the maze to which test odors were added. Time spent during the 12 min period prior to odor addition (`Pre') and then after it had been added and was still present (`During') are shown for each stimulus. Significant differences between Pre- and test periods are noted. *P<0.05, **P<0.01.

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