Papéis Avulsos de Zoologia
2013
53
10
129‑144
https://doi.org/10.1590/S0031-10492013001000001
1807-0205 ( On-Line), 0031-1049 (Printed)
nseminating characid fishes; new species and relationships of Monotocheirodon
Two new species of inseminating freshwater fishes of the genus Monotocheirodon, family Characidae, are described from Peru. Males and females of both new species have an external, visually obvious urogenital papilla that was not detected in the females in previous studies, with this longer in males, which use it as an inseminating organ. A third inseminating species from Bolivia, Monotocheirodon pearsoni, unstudied in any detail since its original description in 1924, is redescribed. This latter species lacks an inseminating organ. Monotocheirodon is redescribed, its phylogenetic relationships are briefly discussed and it is suggested that it is possibly related to the stevardiin genera Ceratobranchia, Othonocheirodus, and Odontostoechus.
© 2013 Naércio A. Menezes, Stanley H. Weitzman, Irani Quagio-Grassiotto
Menezes, Naércio A.; Weitzman,Stanley H.;Quagio-Grassiotto, Irani
Museu de Zoologia da Universidade de São Paulo
São Paulo, Brasil
Inglés
Articulo de revista academica