Here's an email I got from Pepperidge Farm regarding their Cheddar Cheese Goldfish snacks. I'm still waiting on a response regarding the other flavor fish shaped snacks they produce.
The source of cheese enzymes in our Cheddar Cheese Goldfish is beef
Short, not-so sweet, and to the point. I don't know what other proof people need. A lot of people don't believe me when I tell them they're animal by-products in the,. This is the 3rd email I've sent them in the past 5 years and it's always the same response.