So far all studies on cat behavior suggest that they do not respond well to punishment. They learn nothing from it and only become fearful.
Separate them. Reintroduce them. Rehome one of them. Some cats simply DO NOT ever want to live with other cats.
Read the book "Catify to Satisfy" to make the environment more suitable. In such a small space there can be issues with territory, alone time and escape routes.
Separate them. Reintroduce them. Rehome one of them. Some cats simply DO NOT ever want to live with other cats.
Read the book "Catify to Satisfy" to make the environment more suitable. In such a small space there can be issues with territory, alone time and escape routes.