Heptapterus mustelinus (Valenciennes, 1835)

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 : 67

publication ID

https://doi.org/ 10.1590/1982-0224-20170094

DOI

https://doi.org/10.5281/zenodo.3681791

persistent identifier

https://treatment.plazi.org/id/03894103-3805-FFAB-FCCE-FCA92EF800CC

treatment provided by

Carolina

scientific name

Heptapterus mustelinus (Valenciennes, 1835)
status

 

Heptapterus mustelinus (Valenciennes, 1835) View in CoL

Fig. 21 View Fig

Body elongated; greatest body depth contained 10.0 to 10.6, head depth 11.9 to 12.2 and caudal peduncle depth 17.7 to 18.4 times in SL; head length 6.1 to 6.4, anal-fin base length 4.9 to 5.5, adipose-fin base length 2.0 to 2.2 and maxillary-barbel length 6.0 to 7.2 times in SL; snout length 2.9 to 3.1, horizontal orbital diameter 4.9 to 5.2 and least interorbital width 3.7 to 3.9 times in HL. Mouth terminal; premaxilla and dentary with several diminute and viliform teeth. Dorsal fin with 7, pectoral fin with 6-9, pelvic fin with 6 and anal fin with 15-17 rays. Ground color dark-brown; dark-brown transverse bars on dorsum. Hyaline or lightbeige fins ( Graça, Pavanelli, 2007).

Maximum standard length. 130.0 mm ( Graça, Pavanelli, 2007).

Distribution. Río de la Plata basin and costal drainages of Southern Brazil.

Coments. Heptapterus mustelinus 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 ( Langeani et al., 2007).

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