Acestrorhynchus britskii

Acestrorhynchus britskii is a species of fish in the family Acestrorhynchidae. It was described by Naércio Aquino de Menezes in 1969. It inhabits the São Francisco river in Brazil. It reaches a maximum standard length of 16.5 cm.

The fish is named in honor of ichthyologist Heraldo A. Britski with the Departamento de Zoologia, Secretaria de Agricultura, in São Paulo, Brazil, who collected the type specimen.