Aggression and welfare in a common aquarium fish, the Midas cichlid.

@article{Oldfield2011AggressionAW,
  title={Aggression and welfare in a common aquarium fish, the Midas cichlid.},
  author={Ronald George Oldfield},
  journal={Journal of applied animal welfare science : JAAWS},
  year={2011},
  volume={14 4},
  pages={340-60}
}
Many species of fishes are aggressive when placed in small aquaria. Aggression can negatively affect the welfare of those individuals toward whom it is directed. Animals may behave aggressively in order to defend resources such as food, shelter, mates, and offspring. The decision to defend depends on the distribution of resources and on ecological factors such as number of competitors, amount of available space, and amount of habitat complexity. This study tested the effects of these factors on… CONTINUE READING