how to get rid of flatworms

[ScubaSteve]

Most nudibranchs are obligate eaters, being that they eat one thing and one thing only. Blue velvets eat only one thing: flatworms. When you watch them you will realize how specialized they are for his task with a head designed to detect them and a mouth like a straw that they one to literally vacuum up the flatworm. There is nothing more fun than watching one mow a path through a patch of FW. Ok, maybe there is but it's still fun.