Kyphosus sp.
I think that this is a Pacific Drummer (Kyphosus pacificus) ミナミイスズミ – size 75cm
Kyphosus pacificus was split off from Kyphosus bigibbus – Brown Chub – ノトイスズミ In 2008. They are quite similar and I cannot tell for certain which one it is. Chubs are often called drummers depending on where you are. This fish also resemble a Lowfin Chub but has much darker fins and lacks the brassy coloration of the stripes. Amami 2026