Roestinae

Roestinae
Roestes molossus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Characiformes
Family: Acestrorhynchidae
Subfamily: Roestinae
Lucena & Menezes, 1998
Type genus
Roestes
Günther, 1864

Roestinae is a subfamily of freshwater ray-finned fishes belonging to the family Acestrorhynchidae. The fishes in this subfamily are known as biting tetras. These fishes are found in South America.

Until recently, the family Acestrorhynchidae contained only the genus Acestrorhynchus. However, taxonomic studies have found that the subfamilies Heterocharacinae (originally placed in the closely related Characidae) and Roestinae (originally placed in the more distantly related Cynodontidae) are actually more closely related to Acestrorhynchus, and now they are also placed in this family.

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