A new species of inseminating seasonal killifish of the Cynopoecilusmelanotaenia complex from southern Brazil (Cyprinodontiformes: Rivulidae)

摘要

BackgroundThe Cynopoecilus melanotaenia complex is a morphologically homogeneous killifish group, endemic from an area encompassing southern Brazil and northeastern Uruguay. It presently comprises four valid species: C. melanotaenia, the type species of the genus, and C. fulgens, C. intimus, and C. nigrovittatus.