Strength of aggressive display in Siamese fighting fish (Betta splendens) toward a conspecific, an alien species (Macropodus opercularis), and a mirror image as affected by prior conspecific visual experience.

Strength of aggressive display in Siamese fighting fish (Betta splendens) toward a conspecific, an alien species (Macropodus opercularis), and a mirror image as affected by prior conspecific visual experience.