Figure 4 in Gross brain morphology of Rhamdia quelen (Quoy & Gaimard 1824) (Ostariophysi: Siluriformes: Heptapteridae)

Figure 4. Details brain regions of species of Heptapteridae in dorsal view. (a) Pimelodella gracilis, MZUEL 1574; (b) Imparfinis mirini, MZUEL 4028; (c) Rhamdia quelen, MZUEL 6036; (d) Imparfinis mirini, MZUEL 4028. White arrows indicate the position of tectum mesencephali in relation to telencephalon. Red arrows indicate the position of lateral line lobe in relation to lobus vagi. Scale bar = 1 mm.