Loricariichthys rostratus Reis, Pereira, 2000

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 : 79

Loricariichthys rostratus Reis, Pereira, 2000

Fig. 26

Body depressed; greatest body depth contained 7.5 to 10.3 and caudal peduncle depth 35.7 to 50.0 times in SL; head length 4.1 to 4.8, predorsal distance 2.7 to 3.1, dorsalfin spine length 4.5 to 5.5, pectoral-fin spine length 6.2 to 7.8 and pelvic-fin spine length 6.5 to 8.0 in SL; snout length contained 1.9 to 2.0, horizontal orbital diameter 5.3 to 6.5 and least interorbital width 5.0 to 5.8 times in HL. Mouth inferior; pre-maxilla with 3-11 and dentary with 10- 18 teeth. Mid-lateral series with 31-33 plates. Dorsal fin with I,7, pectoral fin with I,6, pelvic fin with i,5 and anal with 6 rays ( Reis, Pereira, 2000). Ground color brownish; dark-brown blotches on body. Hyaline fins with few darkbrown spots ( Graça, Pavanelli, 2007).

Maximum standard length. 282.0 mm ( Graça, Pavanelli, 2007).

Distribution. Río Paraná basin, above río Paraguay mouth.

Remarks. Loricariichthys rostratus is a non-native species from the upper rio Paraná, and its occurrence can be associated with the filling of the Itaipu Reservoir and the consequent inundation of the Sete Quedas Falls.

Figures

Fig. 26. a. Farlowella hahni, NUP 374, 130.0 mm SL, ribeirão São Pedro, São Pedro do Paraná, State of Paraná. b. Loricaria prolixa, 230.5 mm SL, uncat. c. Loricaria sp., NUP 2567, 230.5 mm SL, rio Paraná, Porto Rico, State of Paraná. d. Loricariichthys platymetopon, 210.0 mm SL, uncat. e. Loricariichthys rostratus, 250.0 mm SL, uncat. f. Rineloricaria sp., NUP 2565, 86.0 mm SL, riacho na Estrada (D. Armando), Santa Helena, State of Paraná.