When you get a cat, that usually eliminates getting any other kind of a pet such as a dog, bird, fish, or hamster. So if you want to have the illusion of another pet while giving you cat a new toy to play with, consider getting a robotic fish cat toy.
Such a robotic fish looks like areal fish but gives your cat something to attack without the risk of letting it kill an innocent fish. That way you can pretend to have another pet and you cat can pretend to kill your other pet all in the name of fun.
To learn more about the joys of a robotic fish cat toy, click here.