Hypostomus ancistroides (Ihering, 1911)

Ota, Renata Rúbia, Deprá, Gabriel de Carvalho, Graça, Weferson Júnio da & Pavanelli, Carla Simone, 2018, Peixes da planície de inundação do alto rio Paraná e áreas adjacentes: revised, annotated and updated, Neotropical Ichthyology 16 (2), pp. 1-111 : 72

Hypostomus ancistroides (Ihering, 1911)

Fig. 23

Body deep; greatest body depth contained 4.2 to 4.7 and caudal peduncle depth 9.8 to 10.0 times in SL; head length 2.9 to 3.3, predorsal distance 2.3 to 2.6, dorsal-fin spine length 3.9 to 4.3, pectoral-fin spine length 3.7 to 3.9, adiposefin spine length 9.9 to 9.9 to 10.9 and caudal peduncle length 2.9 to 3.3 in SL; snout length 1.5 to 1.8, horizontal orbital diameter 6.5 to 7.3 and least interorbital width 2.4 to 2.7 in HL. Mouth inferior; premaxilla with 24-33 and dentary with 23-35 teeth. Mid-lateral series with 27 or 28, predorsal series with 3, and dorsal-fin base series with 8 or 9 plates. Dorsal fin with I,7, pectoral fin with I,6, pelvic fin with i,5 and anal fin with 6 rays. Ground color brown; dark-brown blotches on body, especially on dorsal region. Dark-brown fins with black spots.

Maximum standard length. 276.0 mm ( Graça, Pavanelli, 2007).

Distribution. Upper rio Paraná basin.

Figures

Fig. 23. a. Ancistrus sp., 110.0 mm SL, uncat. b. Hypostomus albopunctatus, NUP 1761, 210.0 mm SL, Itaipu Reservoir, Santa Helena, State of Paraná. c. Hypostomus ancistroides, 140.0 mm SL, uncat. d. Hypostomus cochliodon, NUP 2556, 230.0 mm SL, Itaipu Reservoir, Santa Helena, State of Paraná. e. Hypostomus commersoni, NUP 856, 255.0 mm SL, Mourão Reservoir (rio Mourão, Campo Mourão, State of Paraná. f. Hypostomus hermanni, NUP 4927, 142.8 mm SL, rio Piquiri, tributary of the rio Paraná, Nova Laranjeiras, State of Paraná.