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Archolaemus
Archolaemus is a genus of South American glass knifefishes, family Sternopygidae. They occur in fast-flowing sections of rivers, including rapids, in the Amazon, Tocantins, São Francisco and Araguari basins. Depending on the exact species, they reach up to about 20–50 cm (8–20 in) in total length. 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.
6 branches of this genus, most-observed first · about 6 known species
Archolaemus janeae
speciesArcholaemus janeae
Archolaemus blax
speciesArcholaemus blax
Archolaemus santosi
speciesArcholaemus santosi
Archolaemus orientalis
speciesArcholaemus orientalis
Archolaemus ferreirai
speciesArcholaemus ferreirai
Archolaemus luciae
speciesArcholaemus luciae
Where it lives
Recorded sightings
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geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Archolaemus in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 86602.