Maine Coon How to Tell If Your Cat is a Maine Coon mix or a purebred Maine Coon? Bybmj August 30, 2023September 7, 2023 Maine Coons are large, gentle cats with long fur. If your cat has these qualities, they may be a Maine Coon mix. Other signs include a rectangular body shape and tufted ears. To know for sure, you can have your cat DNA tested.