This is a big debate to give fish or not but I think when you are dealing with several issues some time you need to compromise in order to keep up with all the issues, and if you've found some food that is low carb, low phosphorus ( there are a few that actually are very low phos, just be careful that is really low phos )and that he likes I'll give it a try, of course if you can convince him of eating something else it probably will be better
At one point when Babu was diagnosed I had to resort to just plain tuna (in water) with Babu so that he would eat ( there's a point when you just want them to eat no matter what, he had lost a lot of weight and was at serious risk ) and it is true that ever since he practically demands his tuna before eating anything else, he and I arrived at a sort of deal about this, so he now gets just one little teaspoon of tuna ( not even full) in the morning before he eats his regular food ( at some times this has become helpful since tuna or tuna water can disguise almost any medicine he I've needed to give to him), and so do my civies which also have CKD , no way I could get away with opening a can of tuna without giving everyone at least a taste but so far I've never had a problem.
