I have a 1 year old, extremely aggressive jack dempsey cichlid, hes such a beauty and I love him to death! I've had him since he was very very tiny and even as a young jack he tried to kill anything and everything that he could. But i had to keep the algae down so i bought a small algea eater when i bought him and he killed it. later, i bought a very large algae eater and once again, he killed it. about 3 months back, i took advice from a local cichlid breeder and bought 4 apple snails and just as i thought i had a solution, i uncovered 3 apple snail bodies today in his cave he doesnt eat what he kills, he just likes to kill them. the green algae in his tank is becoming a huge hastle, it doesnt come off no matter what i try and its growing and growing every day. HE NEEDS SOME FORM OF AN ALGAE EATER.. BAD. a local fish store suggested a synodontis catfish? but idk what to trust. any advice? please?