i recently got a 10 gallon tank from a friend, and it included 4 fish. 2 algae eaters, and 2 neon tetras. after getting the tank all set up. i went to the store and bought 5 more fish. 3 guppies, and 2 platy's. but one of my algae eaters, i think hes a chinese algae eater? its being really...