| SOURCE FOR OCCURRENCE IN ECUADOR: This species occurs in the Guayas and Esmeraldas basins of western Ecuador and there are many references for its occurrence in the area (e.g., Eigenmann, 1922; Ovchynnyk, 1971; Glodek, 1978; Ferraris, 2007). |
| ORIGINAL DESCRIPTION: Gunther, A. 1860. Third list of cold-blooded vertebrata collected by Mr. Fraser in Ecuador. Proceedings of the General Meetings for Scientific Business of the Zoological Society of London 1860 (pt 2): 233-240, Pl. 10. |
| TYPE SPECIMENS: |
| TAXONOMIC STATUS: Valid (Eschmeyer and Fricke, 2011). |
| RANGE ECUADOR: Guayas and Esmeraldas river drainages. |
| RANGE OUTSIDE OF ECUADOR: None. |
| COLLECTIONS IN ECUADOR: |
| MAXIMUM SIZE: 16.9 cm TL (Fishbase, 2011). |
| DISTINGUISHING FEATURES: This species is distinguished from the other species in the genus in this region, P. modestus, by having the upper caudal-fin lobe longer than the lower caudal-fin lobe and by lacking a lateral dark brown stripe (Glodek, 1978). |
| ECOLOGY: NA. |
| ECONOMIC IMPORTANCE: Not of economic importance. |
| CONSERVATION STATUS: NA, although the species is not heavily exploited as a food species. |
| LINK TO FISHBASE PAGE: Click here for link |
| SPECIES PROFILE CREATED BY: Enrique Laaz |
| SPECIES PROFILE CONTRIBUTORS: Windsor Aguirre |