I am not sure on an exact species for these fish, but they’re a Post-larval Juvenile Trunkfish of some sort. They’re basically like swimming marbles and are fun to watch in the water (I’m sure they’ll make an appearance in videos at some point).
Post-larval Juvenile Trunkfish
Laura Kushner
September 5, 2021 at 8:33pmJuvenile Buffalo Trunkfish (Lactophrys trigonus).