1. Baerends, G. P. & J. M. Baerends-van Roon 1950 An introduction to the study of the ethology of chichlid fishes.Behaviour Suppl. 1:1–242.
2. Barlow, G. W. 1962 Ethology of the Asian teleostBadis badis. III. Aggressive behavior.Z. Tierpsychol. 19:29–55.
3. Barlow, G. W. 1968 Effect of size of mate on courtship in a cichlid fish,Etroplus maculatus.Comm. Behav. Biol., Part A. 2: 149–160.
4. Chiszar, D. 1978 Lateral displays in the lower vertebrates: Forms, functions, and origins. In: E. S. Reese and F. J. Lighter (eds.)Contrasts in Behavior. pp.105–135. John Wiley & Sons, New York.
5. Driscoll, J. W. & J. L. Driscoll 1988 Pair behavior and spacing in butterflyfishes (Chaetodontidae).Env. Biol. Fishe. 22: 29–37.