To answer your question, MM, Goldfish are carp with pretty skin pigments. They will do a cat no more harm than eating a sardine will. There are many hundreds if not thousands of carp recipes available (all of them attempt to address the fact the carp are full of bones and taste like ). Carp have been a food stuff and valueable source of nutrition for peasants in many cultures for centuries. The fact we eat the brown ones and stick the gold ones in tanks and call them names like Jaws or Moby Dick is one of those things which make humans fickle. for MM...