BTA (AKA E. quadricolor). They are the easiest to care for. Small hunks of shrimp will be fine, but dont peel them. just rinse them really really well. many people will tell you that you need an established aquarium of at least 6 months. I wont go there. I will say that they need an established (experienced) reef keeper of at least 6 months to understand what/why there anemone is acting the way it does.