i would go with the gar therer are also diffrent types of "false gars" out on the market here is some links here is a rocket gar http://www.aqualandpetsplus.com/Oddbal55.jpg and here is a "real gar" http://www.epa.gov/bioindicators/images/fish6_Img_3995.jpg its a long nose there are also short noses, alligators and a few more the real gars need enormus tanks. But the pike charicons like the rocket or needle nose dont need a huge tank. its really ur choice but i would go with the pike