Revision of Gymnotus (Gymnotiformes: Gymnotidae) from the Upper Madeira Basin of Bolivia and Peru, with descriptions of two new species
Animals, Macaronesia, Argentina, Mexico, Bolivia, Madeira, Gymnotiformes, Paraguay, Peru, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronesian, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronésia