Trachydoras paraguayensis (Eigenmann, Ward, 1907)
publication ID |
https://doi.org/ 10.1590/1982-0224-20170094 |
DOI |
https://doi.org/10.5281/zenodo.3681797 |
persistent identifier |
https://treatment.plazi.org/id/03894103-3805-FFAB-FF2E-FC0A29D000E9 |
treatment provided by |
Carolina |
scientific name |
Trachydoras paraguayensis (Eigenmann, Ward, 1907) |
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Trachydoras paraguayensis (Eigenmann, Ward, 1907) View in CoL
Fig. 20 View Fig
Body deep; greatest body depth contained 2.7 to 3.1, head length 3.3 to 3.8 times in SL; snout length contained 1.9 to 2.2, horizontal orbital diameter 2.5 to 3.1 and least interorbital width 2.2 to 2.8 times in HL; orbital diameter contained 1.0 to 1.3 times in interorbital width. Mouth subterminal; with dentigerous plates in both premaxilla and dentary. Lateral line with 28-30 plates. Dorsal fin with I,6, pectoral fin with I,7, pelvic fin with 7 and anal fin with 12- 14 rays. Ground color greyish dorsally, whitish to yellowish ventrally. Hyaline or light-beige fins; caudal fin with darkgrey oblique stripe on each lobe ( Graça, Pavanelli, 2007).
Maximum standard length. 150.0 mm ( Graça, Pavanelli, 2007).
Distribution. Paraná-Paraguay system.
Remarks. Trachydoras paraguayensis 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.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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