Looking for advice on Lyretail Anthias

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They are naturally filter feeders and eat plankton. Mine grab mysis but i notice half the shrimp hanging out of the anthias mouth for a few minutes while he tries to get it down. I hear that a refugium is helpful to provide the plankton/micro organisms they eat in the wild.

Other than that all i've heard is that if you plan on having a few, one female becomes the dominant male, and is pretty agressive towards the females. Not always the case i'm sure, but that's what i found reading/asking around. Apperently you should either have 1 or 3+, so that the male's agression is spread to more than 1 female.

I have one lyretail, does great with the other tank mates, hangs out at the return plumbing from the refugium most of the day darting around. I Only feed once a day most days with mysis/krill/pellets, sometimes they get breakfast too. When i first got the fish i fed 3x a day for the first 2 weeks, then gradually down to once a day. I've read that works to get them used to once a day feeding, and seemed to work for me.