I guess what you need to consider is Kyle's personality, also in relation to how he is different from FB (gee, I thought I would have him by then for the 50 cents and the goat!
).
Of course, the symbol of the goldfish needs some consideration. Is it captured, reaching out, or content to be in the same spot for his life?
As for cooking, it is a common meaning of consumption and cooking that one may acquire specific attributes and characteristics that way.