Leunda, P.M., Oscoz, J., Elvira, B., Agorreta, A., Perea, S. & Miranda, R. 2008. Feeding habits of the exotic black bullhead Ameiurus melas (Rafinesque) in the Iberian Peninsula: first evidence of direct predation on native fish species. Journal of Fish Biology, 73,96–114.

Leunda, P.M., Oscoz, J., Elvira, B., Agorreta, A., Perea, S. & Miranda, R. 2008. Feeding habits of the exotic black bullhead Ameiurus melas (Rafinesque) in the Iberian Peninsula: first evidence of direct predation on native fish species. Journal of Fish Biology, 73,96–114.