Triplophysa arnoldii
# Triplophysa arnoldii

Triplophysa arnoldii is a species of stone loach in the genus Triplophysa. It is endemic to Mongolia. It grows to 7 cm (2.8 in) SL.

## Etymology

The fish is named in honor of Lev Vladimirovich Arnoldi (1903-1980), a Russian entomologist, who collected the type specimen.

