Poptella

Poptella is a genus of fish in the characin family found in tropical South America, with four currently described species:
 * Poptella brevispina R. E. dos Reis, 1989
 * Poptella compressa (Günther, 1864)
 * Poptella longipinnis (Popta, 1901)
 * Poptella paraguayensis (C. H. Eigenmann, 1907)