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Figure 6


Fig. 6. The mean total time each crayfish group spent on the reflective and non-reflective (matte) sides of the aquarium during 20 min of observation. Group-socialized crayfish spent more time overall on the reflective side of the tank. Both dominant and subordinate crayfish paired for 30 min spent more time in the reflective environment compared with the non-reflective environment. After 3 days of pairing, only dominant crayfish spent more time on the reflective side of the test tank (paired t-test: **P<0.005, *P<0.05; N=20). Error bars depict standard deviation.





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