- Animals
- ›Chordates
- ›Vertebrates
- ›Ray-finned Fishes
- ›Carps, Characins, Catfishes and Allies
- ›Characins
- ›Characoidei
- ›American tetras
- ›Acestrorhamphinae
Toothy Tetras
Oligosarcus
Oligosarcus is a genus of characins from freshwater habitats in northern Argentina, Paraguay, Uruguay, eastern Bolivia, and southern and central Brazil, They reach up to 31 cm (12 in) in length and are predators that mainly feed on smaller fish.
22 branches of this genus, most-observed first · about 22 known species
Common Toothy
speciesOligosarcus jenynsii
Teether Toothy
speciesOligosarcus oligolepis
Surf Toothy
speciesOligosarcus brevioris
Cardinal Toothy
speciesOligosarcus pintoi
Sharptooth Toothy
speciesOligosarcus hepsetus
Bolivian Toothy
speciesOligosarcus bolivianus
Mirror Toothy
speciesOligosarcus paranensis
Slender Toothy
speciesOligosarcus longirostris
Branca
speciesOligosarcus robustus
Jacui Toothy
speciesOligosarcus jacuiensis
Lancet Toothy
speciesOligosarcus acutirostris
Silver Toothy
speciesOligosarcus argenteus
Menezes' Toothy
speciesOligosarcus menezesi
Brillant Toothy
speciesOligosarcus platensis
Var's Toothy
speciesOligosarcus varii
Orangefin Toothy
speciesOligosarcus amome
Lake Toothy
speciesOligosarcus planaltinae
Bigscale Toothy
speciesOligosarcus macrolepis
Itau Toothy
speciesOligosarcus itau
Midwater Toothy
speciesOligosarcus perdido
Schindler's Toothy
speciesOligosarcus schindleri
Dogtooth Toothy
speciesOligosarcus solitarius
Where it lives
Recorded sightings
—
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 Oligosarcus 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 71225.