Article Zebrafish Models of Major Depressive Disorders
Article Zebrafish models: do we have valid paradigms for depression?
In addition, social defeat is a common model for animal studies on depression. One can use dyadic fights to create a loser fish, which is more passive and exhibits monoamine neurotransmitter patterns typical of a stressed fish:
Article Aggression and monoamines: Effects of sex and social rank in...
Article Social modulation of brain monoamine levels in zebrafish