That is very true with the Anemones and I have 4 different species of Clown and 3 of them have anemones. I have a Tomatoe Clown pair that hosts in an XL Bubble Anemone (my mom originally bought this anem when about 2 inches in diameter, and it grew to about a foot in diameter and split, so now the one I have is back to being close to a foot in diameter, he looks huge even in a 209g tank!), I just recently got a Clarkii Clown pair with a Long Tentacle Anemone (also in the 209 but on total opposite side-the 209 has 2 36" Power Compacts), and a Melanopus pair that hosts in a Bubble, and I have an Occelaris that I got way before Nemo that is captive bred so will not host in an anemone. Then my mom has a bunch of Clowns too being a Maroon Clown pair that hosts in a Bubble, Pink Skunk that hosts in the other half of the Bubble that split, and an Occelaris Clown that hosts in a Bubble. My mom loves the little Clowns and 3 of the pairs of fish were given to me by tank shutdowns etc.
Out of all the Clowns in my house and available my absolute favorite in the Clarkii. All Clowns are really hardy, just depends upon what you like. And you really don't need an anemone and I would not suggest it if you do not have the proper lighting (ie Power Compacts or Metal Halides). I feed all my anemones with Marine Snow then some small pieces of shrimp twice a week. Anyway, hope this helps and good luck.