| Adontosternarchus | |
|---|---|
 | |
| Adontosternarchus clarkae | |
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Gymnotiformes |
| Family: | Apteronotidae |
| Subfamily: | Apteronotinae |
| Genus: | Adontosternarchus M. M. Ellis, 1912[1] |
| Type species | |
| Sternarchus sachsi | |
Adontosternarchus is a genus ofghost knifefishes found in theAmazon andOrinoco river basins intropical South America. They have blunt snouts, a dark-spotted or -mottled pattern on a pale background (however, spotting/mottling can be so dense that individuals appear almost all dark) and reach up to 18.5–32.2 cm (7.3–12.7 in) in total length.[2][3][4] They feed onzooplankton and can be found quite deep, withA. devenanzii recorded down to 84 m (276 ft).[2]
There are currently six recognized species in this genus:[3][4]
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