Effect of the light intensity upon the agonistic behaviour of juvenile of white-seabream (Diplodus sargus cadenati de la Paz, Bauchot and Daget, 1974)

摘要

Ambient light levels were manipulated to vary potential predation risk, and aggressive behaviour was examined. Juveniles of white-seabream (Diplodus sargus cadenati) interacted aggressively more frequently at intermediate light intensity (500 lux), being agonistic interactions at higher (3000 lux) or lower (5 lux) illumination less frequent.