Curculionichthys insperatus ( Britski & Garavello, 2003)

Reia, Lais, S. da Costa e Silva, Gabriel, Garcia-Ayala, James R., P. F. Vicensotto, Ana Maria & Benine, Ricardo C., 2020, Ichthyofauna of the ribeirão Sucuri, a tributary of the rio Tietê, upper rio Paraná basin, southeastern Brazil, Check List 16 (3), pp. 711-728 : 722

Curculionichthys insperatus ( Britski & Garavello, 2003)

Figure 3 AC

Original description. Hisonotus insperatus Britski and Garavello 2003: 588 .

Material examined. BRAZIL • 1, 21.0 mm SL; São Paulo state, Pongaí, Córrego Santa Rosa ; 21°46′29″S, 049°23′34″W; 12 May 2018; leg. Silva G.S.C. and Reia L. (LBP 26473) • 7, 20.1−25.1 mm SL; São Paulo state, Pon- gaí, Ribeirão Sucuri ; 21°44′19″S, 049°21′56″W; 12 May 2018; leg. Silva G.S.C. and Reia L. (LBP 26500) • 12, 14.5−25.3 mm SL; São Paulo state, Pongaí, Ribeirão Su- curizinho; 21°43′39″S, 049°18′54″W; 12 May 2018; leg. Silva G.S.C. and Reia L. (LBP 26526) .

Identification. Body elongated; mouth ventral; maxil- lary barbel short, slender, and free distally; teeth slender and bicuspid, central cusp larger than lateral; premax- illa with ten or 11 teeth; dentary with eight to ten teeth; body covered by odontodes. Body completely covered by bone plates, median plates series with 22 or 23 perfo- rated by lateral line; cleithrum and coracoid completely exposed; abdomen entirely covered by plates; lateral ab- domen plates larger and forming regular rows of six to seven elongated plate on each sides; median abdominal plates smaller, irregularly arranged and formed by one row of plate. Overall body coloration whitish; four dark saddles along dorsal portion of body: midlateral dark strip from posterior margin of orbit to caudal peduncle; hyaline fins; caudal fin blotch in median caudal-fin rays, and patches of dark chromatophores in dorsal and ventral lobes.