Fig. 2 in Redescription of Hisonotus notatus Eigenmann & Eigenmann, 1889 (Loricariidae: Hypoptopomatinae), the type species of the genus, and description of a new species from coastal drainages of southeastern Brazil

Fig. 2. Scanning electron micrographs of tip of snout of Hisonotus notatus, DZSJRP 13852, 34.6 mm SL (a, c) and Hisonotus thayeri, MNRJ 14752, 38.4 mm SL, paratype (b, d).