I've had a maze brain and open brain for two weeks now and they're doing great. The open brain takes small pieces of shrimp, squid, formula one, etc... The maze brain has brown shared corallite walls and green polyps about 1/4 inch wide. This isn't an ID question, I just don't know how to feed it. I see a sweeper tentacle occasionally, but no other tentacle to place food on. Little help??...