FIGURE 3 in A new species of Characidium Reinhardt (Characiformes: Crenuchidae) with a unique mid-water behavior from the upper rio Madeira basin, Brazil

FIGURE 3. Lateral view of head of (A) Characidium barbosai, ANSP 207590, 42.2 mm SL; (B) Characidium etheostoma, ZUEC 16947, 42.2 mm SL; (C) C. lauroi, ZUEC 5559, 60.9 mm SL; and (D) C. steindachneri, ZUEC 10623, 40.5 mm SL, showing distinct degrees of development of the preorbital and postorbital stripes in the genus: (A) preorbital and postorbital stripes absent; (B) preorbital and postorbital stripes present and complete; (C) preorbital stripe complete, postorbital stripe incomplete; (D) preorbital stripe complete, postorbital stripe absent.