Nemo would fully admit, if asked, to being smug when he said, "Not rikis or demis. What kind of cats?" He certainly couldn't tell size based on smell, but if they lived with a human and weren't rikis or demis, he would guess housecats. One of his ancestral species, about twice the size of a demi and about an eighth to a tenth his size, and where he got his coloring from. "Housecats?"