research research research. be carefull with the LFS
they don't always hire the smartest people. caught a guy going to sell some seahorses, to put in a tank with lions and triggers. most online sites will tell you if the fish is reef safe or reef safe with caution. and which are compatible with other reef fish. liveaquaria.com is great for that. plus liveaquaria.com with tell you what the fish and corals need to survive and thrive. Clowns are very territorial mine bite me when i put my hand in the tank. it don't hurt just makes me jump when i don't see him coming.