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Figure 11


Fig. 11. Innervated serotonergic cells located in the gill rakers in (A) O. mykiss and (B) C. auratus immunolabelled for serotonin (5-HT, green) and a neuronal marker (zn12, red). Insets show magnification of innervated 5-HT-IR cells in both trout and goldfish. Scale bars, 50 µm.