Ariidae - Potamarius henni (Fisher & Eigenmann, 1922) |
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| SOURCE FOR OCCURRENCE IN ECUADOR: This species does not appear to be common in the Guayas basin of western Ecuador but there are many references for its occurrence in the area (e.g., Eigenmann, 1922; Ovchynnyk, 1971; Barnhill et al., 1974; Ferraris, 2007; Laaz, et al., 2009; Laaz & Torres, 2010). |
| ORIGINAL DESCRIPTION: Eigenmann, C.H. 1922. The fishes of western South America, Part I. The fresh-water fishes of northwestern South America, including Colombia, Panama, and the Pacific slopes of Ecuador and Peru, together with an appendix upon the fishes of the Rio Meta in Colombia. Memoirs of the Carnegie Museum 9(1):1-346, Pls. 1-38. |
| TYPE SPECIMENS: |
| TAXONOMIC STATUS: Valid (Eschmeyer and Fricke, 2011). This species was previously known as Hexanematichthys henni in Ecuador. |
| RANGE ECUADOR: Guayas River drainage. |
| RANGE OUTSIDE OF ECUADOR: None |
| COLLECTIONS IN ECUADOR: |
| MAXIMUM SIZE: 35.0 cm (Laaz et al., 2009). |
| DISTINGUISHING FEATURES: Potamarius henni is distinguished from other catfishes in western Ecuador by having the width of head equal to the eye and postorbital portion, depth at base of occipital process equal to head behind the anterior margin of the pupil, no vomerine teeth, the palatine patches linear, scarcely evident (Eigenmann, 1922). |
| ECOLOGY: Potamarius henni is known in Ecuador as the “bagre” and is a predatory fish (Laaz et al., 2009). More information is needed on the ecology, behavior, and distribution of this species. |
| ECONOMIC IMPORTANCE: This species does not appear to be of economic importance in western Ecuador. |
| CONSERVATION STATUS: NA. |
| LINK TO FISHBASE PAGE: Click here for link. |
| SPECIES PROFILE CREATED BY: Enrique Laaz |
| SPECIES PROFILE CONTRIBUTORS: NA |
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