Brassy chub

Kyphosus vaigiensis, the brassy chub, brassy drummer, long-finned drummer, low-finned drummer, Northern silver drummer, Queensland drummer, Southern drummer, blue-bronze sea chub, brassy rudderfish, yellow seachub, large-tailed drummer, low-finned chub or long-finned rudderfish, is a species of marine ray-finned fish, a sea chub from the family Kyphosidae. It is a largely herbivorous species which has a circumglobal distribution. Studies in the 21st Century appear to have shown that some other species in the genus Kyphosus are junior synonyms of this taxon.