Hi... i have one 4cm tomato clownfish... wanting to to get one to pair with it... wats the size of the tomato clownfish that i should get... i have a method for pairing it... Place them in the fighting fish tank in the main and when the bigger one dun show any aggression to the smaller one... release them into the main tank and observe... will that help... btw are tomato clownfish fussy abt their mate...