They don’t particularly like fish nor do they digest it well.
It is however extremely stinky and is typically the meatiest, fleshiest material they eat when they otherwisr have a life of kibble or canned foods. And for that reason they tend to ravenously enjoy tunafish.





Kibble was ‘invented’ during ww2 as a way to get around shortages on metal for canning. But it’s essentially pemmican with below human grade standards. Works fine for dogs, manages to work well enough for cats to survive, so an industry was born even when the material shortages ended.