When I had my angel it was very active, always swimming about. Anthias are good choices too as mine are also very active. Also very big eaters too lol. Some of my most active fish are my blue reef chromis. Bigger and more vibrant colored than regular chromis and they school around the tank.
180g Reef - 60g Rimless Reef -90G FOWLR- 125g Malawi Cichlids- 40b REEF- 34g Fresh Planted-working on- 20L FOWLR- working on
I have a mix of many different saltwater fish amongst my tanks, but I love my Tangs most of all.