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Scleronema
Scleronema is a genus of pencil catfishes native to South America. They are a member of the subfamily Trichomycterinae. Species of Scleronema are geographically distributed in the La Plata basin and Atlantic coastal drainages from Southern Brazil, Southern Paraguay, Northeastern Argentina and Uruguay. They inhabit rivers or streams with sand or gravel-bottoms across the Pampa grasslands. In Greek, Scleronema means "hard filament."
10 branches of this genus, most-observed first · about 10 known species
Scleronema operculatum
speciesScleronema operculatum
Scleronema minutum
speciesScleronema minutum
Scleronema milonga
speciesScleronema milonga
Scleronema macanuda
speciesScleronema macanuda
Scleronema ibirapuita
speciesScleronema ibirapuita
Scleronema guapa
speciesScleronema guapa
Scleronema teiniagua
speciesScleronema teiniagua
Scleronema auromaculatum
speciesScleronema auromaculatum
Scleronema carijo
speciesScleronema carijo
Scleronema mate
speciesScleronema mate
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 Scleronema 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 91938.