''Sternarchorhamphus'' is a

monospecific genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispe ...

of weakly electric belonging to the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Apteronotidae, the ghost knifefishes. The only species in the genus is ''Sternarchorhamphus muelleri''. This fish occurs in the

Amazon Amazon most often refers to: * Amazon River, in South America * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon (company), an American multinational technology company * Amazons, a tribe of female warriors in Greek myth ...

and

Orinoco The Orinoco () is one of the longest rivers in South America at . Its drainage basin, sometimes known as the Orinoquia, covers approximately 1 million km2, with 65% of it in Venezuela and 35% in Colombia. It is the List of rivers by discharge, f ...

river basins in tropical South America. It has a long pointed snout and reaches up to about in total length. It is one of two species in the subfamily Sternarchorhamphinae.

References

Apteronotidae Fish of the Amazon basin Knifefish of Brazil Freshwater fish of Peru Freshwater fish of Venezuela Monotypic ray-finned fish genera Taxa named by Carl H. Eigenmann Taxa named by Franz Steindachner {{Gymnotiformes-stub