Title:Populations of Characidium rachovii (Crenuchidae: Characidiinae) with reduction of the adipose fin from Argentina and a Southernmost record of C. occidentale
Title:A new species of the genus Hoplias (Characiformes, Erythrinidae), a tararira from the lower Paraná River in Misiones, Argentina / Una nueva especie del género Hoplias (Characiformes, Erythrinidae), una tararira del Río Paraná bajo, en Misiones, Argentina