FIGURE 4 in Merodoras nheco, new genus and species from Rio Paraguay basin, Brazil (Siluriformes, Doradidae), and nomination of the new subfamily Astrodoradinae

FIGURE 4. Picture of (A) dorsal view of external surface, (B) ventral view of external surface, (C) dorsal view of internal surface of ventral half, and (D) lateral view of a para-saggital cut of the gas bladder of Merodoras nheco.