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Longtail knifefish

Sternopygus macrurus

Classification

Sternopygus is a genus of glass knifefishes found in tropical and subtropical South America (south to the Río de la Plata Basin), and Panama. It is the only extant member of the subfamily Sternopyginae, with the related fossil genus †Humboldtichthys also known from Bolivia. They inhabit a wide range of freshwater habitats, from fast-flowing rivers to essentially static waters in floodplains, and shallow habitats to the bottom of deep rivers.

Distribution

(c) Michael Bakker Paiva, some rights reserved (CC BY), uploaded by Michael Bakker Paiva · CC-BY
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Countries in the Picchu catalog
Peru · 9