Parotocinclus nandae, a new distinctive colored catfish (Loricariidae: Hypoptopomatinae) from the upper Rio Paraguaçu, Bahia State, northeastern Brazil
Fig 2
Schematic drawing of the ventral side of head and pectoral girdle, (A) Parotocinclus nandae, UNICTIO 2967, 43.7 mm SL, showing the lower lip elongated posteriorly reaching to the pectoral girdle and the canal cheek plate reduced. (B) P. maculicauda, MCP 31591, 50.4 mm SL, with the lower lip not elongated and the canal plate expanded mesially and posteriorly.