Rivulus tocantinensis Rivulus xinguensis

Rivulus tocantinensis

Rivulus xinguensis

 

Costa, W.J.E.M. (2010): Two new species of the Rivulus urophthalmus group from the Tocantins and Xingu river drainages, eastern Brazilian Amazon (Cyprinodontiformes: Rivulidae).

 

Ichthyological Exploration of Freshwaters, 21 (1): 79-85.