I tried hand feeding my Florida gar raw tilapia (with chop sticks...) for about 3 weeks before he finally accepted that. I was slicing the pieces in a elongated shape and with the chop sticks I was wiggling the thing at the surface... It was funny
So anyway after few months of largely feeding tilapia and raw shrimps this way I started stuffing the raw tilapia with cichlid sticks and did few weeks of that, eventually he accepted the sticks on their own
I feed him mostly North Fin floating sticks but also some Hikari sticks