On the population of roach (Rutilus rutilus), rudd (Scardinius erythrophthalmus), and their hybrid in Esthwaite Water, with notes on the distinctions between them - Wheeler, A.
Keywords: HIBRIDOS; ICTIOLOGIA; PECES; PECES ÓSEOS; POBLACION ANIMAL; RUTILUS RUTILUS; SCARDINIUS ERYTHROPHTHALMUS