Presencia de Cobitis maroccana Pellegrin, 1929 (Osteichthyes, Cobitidae) en la cuenca del Duero

Resum

Presence of Cobitis maroccana Pellegrin, 1929 (Osteichthyes, Cohitidaej in the Duero basin
Cobitis maroccana is reported for the first time, in several rivers from the Duero basin: Agueda, Gavilanes, Orlea, and Valderaduey (pond connected to river). Some biometric characters of the specimens studied are presented. It is not clear whether this is or non an introduced species.