Fried is OK, but you need to really-really trim and completely de-bone it.
Carp have a bad reputation from people who never ate it, or didn't process it right.
I clean & freeze enough to make a full load in the pressure cooker.
Run it for 90 minutes and the meat & 'Y' bones come out like canned sardines in texture.
Afterwards, I'll freeze the cooked carp and use it in recipes like a can of salmon.
If ya didn't know it was carp, you'd think it was canned salmon.