Steatogenys is a genus of gymnotiform knifefishes found in the Amazon, Orinoco and Essequibo river basins in tropical South America. The widespread and common S. elegans is found in a wide range of habitats, from the shallow essentially static waters such as floodplain lakes to fast-flowing rivers as deep as 50 m (160 ft). The two remaining species are less common and widespread, with A. duidae found mainly in small streams running through terra firme forests (forest that does not flood, unlike várzea) and S. ocellatus among submerged roots and branches in static or slow-flowing blackwater habitats. All three are regularly found among vegetation in floating meadows, a habitat that often contains little oxygen, but they are well-adapted to this.
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| - Steatogenys (nl)
- Steatogenys (en)
- Steatogenys (sv)
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| - Steatogenys is een geslacht van straalvinnige vissen uit de familie van de Amerikaanse mesalen (Hypopomidae). (nl)
- Steatogenys är ett släkte av fiskar. Steatogenys ingår i familjen Hypopomidae. Kladogram enligt Catalogue of Life: (sv)
- Steatogenys is a genus of gymnotiform knifefishes found in the Amazon, Orinoco and Essequibo river basins in tropical South America. The widespread and common S. elegans is found in a wide range of habitats, from the shallow essentially static waters such as floodplain lakes to fast-flowing rivers as deep as 50 m (160 ft). The two remaining species are less common and widespread, with A. duidae found mainly in small streams running through terra firme forests (forest that does not flood, unlike várzea) and S. ocellatus among submerged roots and branches in static or slow-flowing blackwater habitats. All three are regularly found among vegetation in floating meadows, a habitat that often contains little oxygen, but they are well-adapted to this. (en)
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| - Rhamphichthys elegans (en)
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| - Steatogenys is a genus of gymnotiform knifefishes found in the Amazon, Orinoco and Essequibo river basins in tropical South America. The widespread and common S. elegans is found in a wide range of habitats, from the shallow essentially static waters such as floodplain lakes to fast-flowing rivers as deep as 50 m (160 ft). The two remaining species are less common and widespread, with A. duidae found mainly in small streams running through terra firme forests (forest that does not flood, unlike várzea) and S. ocellatus among submerged roots and branches in static or slow-flowing blackwater habitats. All three are regularly found among vegetation in floating meadows, a habitat that often contains little oxygen, but they are well-adapted to this. They are well-camouflaged and brown in color with a barred pattern. They resemble the related Hypopygus, but are larger, reaching up to 20–40 cm (8–16 in) in total length depending on the exact species of Steatogenys. They feed on invertebrates such as aquatic insect larvae and small shrimp. (en)
- Steatogenys is een geslacht van straalvinnige vissen uit de familie van de Amerikaanse mesalen (Hypopomidae). (nl)
- Steatogenys är ett släkte av fiskar. Steatogenys ingår i familjen Hypopomidae. Kladogram enligt Catalogue of Life: (sv)
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