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Fig. 7. Locomotor activity and novel tank test of adult mao+/+ and mao+/− fish. (A) Representation of the arena with digital zones and representative swimming traces of mao+/+ and mao+/− fish during a 10 min recording period. n=7 for each genotype. (B,C) Bar charts showing individual values for total distance moved (B) and average velocity (C) of fish of the indicated genotype. (D) Bar charts showing thigmotaxis larval behavior. (E) Schemes of the novel tank test with three digital zones and representative swimming traces of mao+/+ and mao+/− fish during a 6 min recording period. n=8 for each genotype. (F-H) Bar charts showing results on the time spent in each zone [top (F), middle (G) and bottom (H)]. Compared to their siblings, mao+/− adult fish did not differ in the time spent in the upper part of the tank, spent less time in the middle and more time in the bottom part. Data are mean±s.e.m. Unpaired, two-tailed Student's t-test was used for statistical analysis. **P<0.01, ***P<0.001.