Back هيبوبوميديا Arabic هيبوبوميديا ARZ Hypopomidae CEB Kleine Messerfische German Hypopomidae Spanish Hypopomidae Basque کاردماهیهای دماغبریده Persian Puikkoveitsikalat Finnish Hypopomidae French היפופימיים HE
| Hypopomidae | |
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| Steatogenys elegans | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Gymnotiformes |
| Suborder: | Sternopygoidei |
| Superfamily: | Rhamphichthyoidea |
| Family: | Hypopomidae Mago-Leccia, 1978 |
| Genera | |
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See text | |
The Hypopomidae are a family of fishes in the order Gymnotiformes known as the bluntnose knifefish. They may also be called grass or leaf knifefishes.[1] These electric fish are not often eaten, of little commercial importance, rarely kept as aquarium fish, and poorly studied; however, species in this family may constitute a significant fraction of the biomass in the areas they inhabit.[2]
These fish originate from fresh water in Panama and South America.[1] The Hypopomidae are confined to the humid neotropics, ranging the Río de la Plata of Argentina (35°S) to the Río Tuira of Panama (8°N). Hypopomids are known from the continental waters of all South American countries except Chile, and are most diverse in the Amazon Basin.[2]
- ^ a b Nelson, J.S. (2006). Fishes of the World. John Wiley & Sons, Inc. ISBN 0-471-25031-7.
- ^ a b Froese, Rainer, and Daniel Pauly, eds. (2014). "Hypopomidae" in FishBase. November 2014 version.