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Archolaemus

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Archolaemus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Gymnotiformes
Family: Sternopygidae
Subfamily: Eigenmanniinae
Genus: Archolaemus
Korringa, 1970[1]
Type species
Archolaemus blax
Korringa, 1970[1]

Archolaemus is a genus of South American glass knifefishes, family Sternopygidae.[2][3][4] They occur in fast-flowing sections of rivers, including rapids, in the Amazon, Tocantins, São Francisco and Araguari basins.[3] Depending on the exact species, they reach up to about 20–50 cm (8–20 in) in total length.[4] During the day they hide in rocky crevices, but during the night they are active and feed on small invertebrates such as aquatic insect larvae.[3]

Species

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There are currently six recognized species in this genus:[3][5]

References

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  1. ^ a b Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Eigenmanniinae". Catalog of Fishes. California Academy of Sciences. Retrieved 27 May 2025.
  2. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Archolaemus". Catalog of Fishes. California Academy of Sciences. Retrieved 14 August 2024.
  3. ^ a b c d Vari, Richard P.; De Santana, Carlos David; Wosiacki, Wolmar B. (2012). "South American electric knifefishes of the genus Archolaemus (Ostariophysi, Gymnotiformes): undetected diversity in a clade of rheophiles". Zoological Journal of the Linnean Society. 165 (3): 670–699. doi:10.1111/j.1096-3642.2012.00827.x.
  4. ^ a b Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Archolaemus". FishBase. February 2024 version.
  5. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Archolaemus". Catalog of Fishes. California Academy of Sciences. Retrieved 27 May 2025.